Download ACRONYMS DICTIONARY - WATA - World Association of Arab

ACRONYMS DICTIONARY 2D 3D 3M 4GL 4H 4WD A AA AA AA AA A&A AA AAA AAAL AAAS AAII AAMSI AAO AAP AARC AARN AARP AAS AAVSO AB ABA ABA ABA ABBR ABC AC AC AC ACAA ACAWS ACBL ACC ACCS ACD ACE ACE ACE ACHEFT ACK ACL ACLU ACM ACRV ACS ACSE ACT ACT ACTS ACTS ACU ACU ACW AD A/D AD AD 1 2-Dimensional 3-Dimensional Minnesota Mining and Manufacturing Fourth Generation Language Head, Heart, Hands, Health Four wheel Drive (see also FWD) Aftermath Affirmative Action committee Alcoholics Anonymous Antiaircraft Artillery Associate in Accounting Astronomy and Astrophysics [Space] Automobile Association [England] American Automobile Association American Academy of Arts and Letters American Association for the Advancement of Science American Association of Individual Investors American Association for Medical Systems Informatics Anglo-Australian Observatory [Space] Affirmative Action Program Anglo-American Cataloging Rules Australian Academic Research Network [Networking] American Association of Retired Persons American Astronomical Society [Space] American Association of Variable Star Observers [Space] ABle seaman American Bar Association American Basketball Association American Booksellers Association ABBReviation American Broadcasting Company [Corporate name] Alternating Current (ac, see also DC) Ante Christum (before Christ) Ante Cibum (before meals) Agricultural Conservation and Adjustment Administration Advisory, Caution, And Warning System American Contract Bridge League Argonne Code Center Army Command and Control System Automatic Call Distributor [Telephony] Advanced Composition Explorer [Space] Advanced Computing Environments [Corporate name] Automatic Calibration and Equalization Automated ClearingHouse Electronic Funds Transfer ACKnowledge Advanced Cmos Logic American Civil Liberties Union Association for Computing Machinery Assured Crew Return Vehicle (or) Astronaut Crew Rescue Vehicle [Space] Advanced Communications System Association Control Service Entity (ISO/CCITT layer 7) Action for Children's Television (in Cambridge, MA) American Conservatory Theater Advanced Communications Technology Satellite Automatic Coin Telephone Service [Telephony] Alarm Control Unit Automatic Call Unit [Telephony] Alternating Continuous Waves After Date Analog to Digital converter (see ADC) Anno Domini (in the year of our Lord) Application Development ADAP ADAP ADB ADB ADC ADCI AD&D ADF ADM ADP ADP ADP ADPCM ADS ADSR ADT ADT AE AEA AEC AEF AEGIS AF AF AF AFADS AFATDS AFB AFC AFC AFC AFCAC AFCC AFGE AFIPS AFL AFL AFLCIO AFNOR AFP AFS AFSC AFSCME AFTRA AG AG AG AGCT AGN AHL AHQ AI AIAA AIC AID AIDDE AIDS AIOD AIS AIX AJ AK AKA AL 2 Alzheimer's disease-associated protein American Discount Auto Parts [Corporate name] A DeBugger Apple Desktop Bus Analog to Digital Converter Automatic Display Call Indicator Advanced Dungeons & Dragons Automatic Direction Finder ADMiral Adenosine Di-Phosphate Administrative Data Processing Advanced Data Processing Pulse Code Modulation with Adaptive Quantization Application Development System Attack Decay Sustain Release Abstract Data Type Atlantic Daylight Time Application Execution American Electronics Association Atomic Energy Commission American Expeditionary Force (see BEF) Advanced Electronic Guidance and Instrumentation System Adventures in Fantasy Air Force Audio Frequency Automatic Force Adjustment Data System Advanced Field Artillery Tactical Data System Air Force Base American Football Conference Automatic Flight Control Automatic Frequency Control Air Force Computer Acquisition Center Air Force Communications Command American Federation of Government Employees American Federation of Information Processing Societies American Federation of Labor American Football League American Federation of Labor and Congress of Industrial Organizations Association Francaise de NORmalization Appletalk Filing Protocol Andrew File System Air Force Systems Command American Federation of State, County and Municipal Employees American Federation of Television and Radio Artists Adjutant General Arcade Game Attorney General Army General Classification Test Active Galactic Nucleus [Space] American Hockey League Air HeadQuarters Artificial Intelligence American Institute of Aeronautics and Astronautics [Space] Automatic Intercept Center Agency for International Development Ames' Interactive Dynamic Display Editor Acquired ImmunoDeficiency Syndrome Automatic Identification Outward Dialing Automatic Intercept System Advanced Interactive eXecutive (IBM's name for UNIX) Astronomical Journal [Space] Alaska Also Known As Alabama [US state postal designation] AL ALA ALA ALBM ALC ALGOL ALIT ALPO ALS ALU A&M AM AM AMA AMA AMARC AMBA AMC AMC AMC AMD AMEX AMI AMORC AMP AMPAS AMPAS AMRAAM AMROC AMSAT AMU AMVET ANA ANAC ANC ANC ANDF ANF ANG ANI ANL ANOVA ANPA ANSI ANZUS AO AOA AOA AOL AOS AOS A/P AP AP AP APA APA APB APDA API APICS Ap.J APL APL 3 American League (baseball) American Library Association Automobile Legal Association Air-to-Land Ballistic Missile Automatic Load Control ALGOrithmic Language Automatic Line Insulation Testing [Telephony] Association of Lunar and Planetary Observers [Space] Advanced Launch System [Space] Arithmetic Logic Unit Agricultural and Mechanical Amplitude Modulation Ante Meridiem (before noon) American Medical Association Automatic Message Accounting [Telephony] Automatic Message Accounting Recording Center Association of Master of Business Administration Albany Medical College American Motors Corporation(?) [Corporate name] Appalachian Mountain Club Advanced Micro Devices [Corporate name] AMerican EXpress [Corporate name] Alternate Mark Inversion (see also NRZ, NRZI, B8ZS) Ancient Mystic Order Rosae Crucis Adenosine MonoPhosphate Academy of Motion Picture Arts and Sciences Acedemy of Motion Picture Arts and Sciences Advanced Medium Range Air-To-Air Missile American Rocket Company [Space] radio AMateur SATellite corp. Atomic Mass Unit AMerican VETeran American Nurses Association Automatic Number Announcemnt Circuit [Telephony] All Number Calling [Telephony] Army Nurse Corps Architecture-Neural Distribution Format Automatic Number Forwarding [Telephony] Air National Guard Automatic Number Identification (see also: CLID) [Telephony] Argonne National Laboratory ANalysis Of VAriance American Newspaper Publishers Association American National Standards Institute Australia, New Zealand, United States Account Of Abort Once Around [NASA, Shuttle] Abort Once Around (Shuttle abort plan) [Space] Absent Over Leave (see AWOL) Academic Operating System Alternate Operator Service [Telephony] Accounts Payable Additional Premium All Points Associated Press [Corporate name] All Points Addressable American Psychological Association All Points Bulletin Apple Programmers and Developers Association Application Programming Interface American Production and Inventory Control Society Astrophysical Journal [Space] A Programming Language acute promyelocytic leukemia [Disease] APO APO APP APPC APR APSE APU AQ A/R AR AR ARC ARC ARC ARCNET ARO ARP ARPA ARPANET ARRL ARV AS ASA ASAP ASC ASCAP ASCC ASCII ASDIC ASDSP ASG ASHRAE ASIC ASME ASN ASP ASRM ASSR AST ASV AT ATA ATACC ATB ATC ATDRS ATF ATIS ATLAS ATM ATM ATM ATO ATO ATOMS ATP ATPCO AT&T ATT ATTIS ATV AU AU AUI 4 Alpha Phi Omega, service fraternity Army Post Office Applications Portability Profile Advanced Peer-to-Peer Communications Annual Percentage Rate (as in loan interest) Ada Programming Support Environment Auxiliary Power Unit [Space] Accumulator-Quotient register Accounts Receivable Address Register Arkansas AIDS-related complex American Red Cross Ames Research Center (NASA) [Space] Attached Resource Computer local area NETwork After Receipt of Order Address Resolution Protocol Advanced Research Projects Agency (of the DoD, see DARPA) ARPA (q.v.) NETwork Amateur Radio Relay League American Revised Version Anglo-Saxon Acetyl Salicylic Acid As Soon As Possible Accredited Standards Committee American Society of Composers, Authors, and Publishers Automatic Sequence-Controlled Calculator American Standard Code for Information Interchange Anti-Submarine Detection Investigation Committee (British for sonar) Application-Specific Digital Signal Processor Automated Sciences Group Amer. Soc. of Heating, Refrigerating and Air-cond. Engineers, inc. Application Specific Integrated Circuit American Society of Mechanical Engineers Abstract Syntax Notation One (ISO/CCITT ASN.1) Aggregated Switch Procurement Advanced Solid Rocket Motor [Space] Autonomous Soviet Socialist Republic Atlantic Standard Time American Standard Version Atlantic Time Automatic Trouble Analysis Advanced Tactical Air Command Central Advanced Technology Bomber (stealth bomber) Air Traffic Control Advanced Tracking and Data Relay Satellite [Space] Advanced Technology Fighter Atherton Tools Interface Specification Atmospheric Laboratory for Applications and Science [Space] Amateur Telescope Maker [Space] Asynchronous Transfer Mode Automatic Teller Machine Abort To Orbit [NASA, Shuttle] Abort To Orbit (Shuttle abort plan) [Space] AT&t Optimized Materials Simulator Adenosine TriPhosphate Airline Tariff Publishing COmpany American Telephone & Telegraph [Corporate name] American Telephone & Telegraph (normally written AT&T when seperate) American Telephone and Telegraph Information Systems [AT&T] (Division) All Terrain Vehicle Astronomical Unit (93,000,000 miles) [Space] Astronomical Unit [Space] Attachment Universal Interface AURA AUS AUTODIN AUTOVON AV AVLIS AWACS AWEA AWK AWOL AW&ST AXAF AZ B B8ZS BA BACH BAFO BARRNet BASIC BATSE BB BB BB BBA BBB BBC BBL BBN BBXRT BC BC BC BC/BS BCD BCD BCDIC BCE BCNU BCP BCPL BCS BCS BCS BCS BD BD BD BD&D BDF BDT BE BEF BELCORE BEM BEM BENELUX BER BERT BEST BF BFA BFD "B") 5 Association of Universities for Research in Astronomy [Space] Army of the United States AUTOmatic DIgital Network AUTOmatic VOice Network AudioVisual Atomic Vapor Laser Isotope Separation Airborne Warnings And Control Systems American Wind Energy Association al Aho, peter Weinberger, brian Kernighan (pattern scanning language) Absent WithOut Leave (also Absent Without Official Leave) (see AOL) Aviation Week and Space Technology (a.k.a. AvLeak) [Space] Advanced X-ray Astrophysics Facility [Space] Arizona Book Binary 8 Zero Substitution (see also NRZ, NRZI, AMI) Bachelor of Arts Business Alliance for Commerce in Hemp Best And Final Offer Bay Area Regional Research Network (SF Bay Area) Beginner's All-purpose Symbolic Instruction Code Burst And Transient Source Experiment (on GRO) [Space] Bases on Balls Best of Breed Bunnies and Burrows Bachelor of Business Administration Better Business Bureau British Broadcasting Corporation Barrel Bolt, Beranek, and Newman, Inc. [Corporate name] Broad-Band X-Ray Telescope (ASTRO package) [Space] Battlecars Before Christ British Columbia Blue Cross/Blue Shield Bad Conduct Discharge Binary Coded Decimal Binary Coded Decimal Interchange Code Before the Common Era (substitute for BC) Be Seeing You [Net jargon] Byte Controlled Protocols Basic Combined Programming Language Bachelor of Commercial Science Binary Compatibility Standard Boston Computer Society British Computer Society Bachelor of Divinity Bank Draft Bills Discounted Basic Dungeons & Dragons Binary Distribution Format Billing Data Transmitter Bill of Exchange British Expeditionary Force (see AEF) BELL COmmunications REsearch Bug Eyed Monster Bug-Eyed Monster [Space] BElgium, NEtherlands, and LUXembourg Bit Error Rate Bit Error Rate Test Borland Enhanced Support and Training Brought Forward Bachelor of Fine Arts Bristol (RI) Fire Department (probably typical of any town starting BH BH BHP BICS BID BIMA BIOS BIS BISDN BiSync Bit BITNET BLAST BLERT BLF BLT BLT BLT BM BM BMA BMEWS BMO BMOC BMR BNC BNF BO BO BO BOC BOD BOF BOM BOOTP BOQ BOS BOSIX BP BP BP BPI BPL BPL BPOE BPS BR BR BRA BRI BRIEF BRL BRS BS BS BSA BSA BSc BSC BSD BSN BSS BSTJ BT 6 Black Hole [Space] Boot Hill Brake HorsePower Building Industry Consulting Services [Telephony] Bis In Die (twice a day) Berkeley Illinois Maryland Array [Space] Basic Input Output System Business Information System Broadband ISDN (q.v.) [Telephony] Binary Synchronous Communications (BSC is preferred) [IBM] BInary digiT Because It's Time Network BLocked ASynchronous Transmission BLock Error Rate Test Busy Lamp Field [Telephony] Bacon, Lettuce, and Tomato (sandwich) BLock Transfer [Instruction] Branch Less Than [Instruction] Basal Metabolism Bowel Movement Bank Marketing Association Ballistic Missile Early Warning Ballistic Missile Office Big Man On Campus Basal Metabolism Rate Bayonet Neill Concelman (connector) [Electronics] (see also TNC) Bachus-Naur Form Body Odor Branch Office Buyer's Option Bell Operating Company Board Of Directors Birds Of a Feather Bill Of Materials Bootstrap Protocol [Internet] Bachelor Officers' Quarters Business Office Supervisor Biin Open System Interface eXtension Blood Pressure British Petroleum British Pharmacopoeia Bits Per Inch Boston Public Library Branch if PLus [Instruction] Benevolent and Protective Order of Elks Bits Per Second Bills Receivable British Rail Boston Redevelopment Authority Basic Rate Interface (ISDN) [Telephony] Basic Reconfigurable Interactive Editing Facility army Ballistic Research Laboratory Bibliographic Retrieval Service Bachelor of Science Bill of Sale Birmingham Small Arms Boy Scouts of America Bachelor of Science Binary Synchronous Communications (also sometimes BiSync) [IBM] Berkeley Software Distribution Bachelor of Science in Nursing Block Started by Symbol Bell System Technical Journal British Telecom BTAM BThU BTL BTO BTU BTW BU BUF BV BWI BWI BX c C CA CA CA CA CA CAB CACM CAD CAD CAE CAE CAI CAIS CALS CAM CAM CAM CAMA CAMP CAP CAP CAR CARE CARP CASE CASSIS CAT CATIS CATV CATV CAVU CB CBC CBD CBD CBEMA CBR CBS CBW CC CC CCA CCAFS CCC CCC CCC CCC CCCCM CCCI CCD 7 Basic Telecommunications Access Method [IBM] British Thermal Unit (BTU {q.v.} is preferred) Bell Telephone Laboratories Bachman Turner Overdrive British Thermal Unit By The Way [Net jargon] Boston University B-52 bomber ("Big Ugly Fellow") [USAF] Blessed Virgin Baltimore-Washington International (airport) British West Indies Base eXchange (see also PX) centi- (metric 1/100) programming language (successor to B, which was based on BCPL) California Chartered Accountant Chief Accountant Chronological Age Collision Avoidance (as in CSMA/CA (q.v.)) Civil Aeronautics Board Communications of the Association for Computing Machinery Computer Aided Design (sometimes seen as CAD/CAM) Computer Aided Dispatching Common Applications Environment Computer Aided Engineering Computer Aided Instruction Common Apse Interface Specification Computer-aided Acquisition and Logistics Support Computer Aided Management Computer Aided Manufacturing (sometimes seen as CAD/CAM) Content Addressable Memory Centralized Automatic Message Accounting [Telephony] Campaign Against Marijuana Planting Civil Air Patrol Columbia Appletalk Package Contents of the Address part of the Register (LISP) Committee on American Relief in Europe California Air Resources Board Computer Aided Software Engineering Classification and Search Support Information System Computer-Aided Tomography Common Applications and Tools Integration Services Common Antenna TeleVision Community Antenna TeleVision Ceiling And Visibility Unlimited Citizens Band radio Canadian Broadcasting Corporation Cash Before Delivery Commerce Business Daily Computer & Business Equipment Manufacturers Association Chemical, Biological, Radiological warfare Columbia Broadcasting System [Corporate name] Chemical and Biological Warfare C (language) Compiler Carbon Copy Computer Corporation of America [Corporate name] Cape Canaveral Air Force Station [Space] Canadian Committee on Cataloging Civil(ian) Conservation Corps Command, Control, and Communications (sometimes C^3) Concourse Computer Center [MIT] CCC CounterMeasures (sometimes C^3CM) Command, Control, Communications, and Intelligence Charge Coupled Device (see CID) CCD Charge-Coupled Device [Space] CCDS Centers for the Commercial Development of Space [Space] CCF Hundred Cubic Feet CCI Computer Carrier Interrupt CCI Computer Consoles, Incorporated CCIP Continuously Computed Impact Point CCIRN Coordinating Committee for Intercontinental Research Networking CCIS Common Channel Interoffice Signaling [Telephony] CCITT Comite' Consultatif International Telegraphique et Telephonique CCITT Consultative Committee on International Telephony and Telegraphy CCITT International Telegraph and Telephone Consultative Committee CCR Commitment, Concurrency, and Recovery CCR Creedence Clearwater Revival [Music] CCRI Community College of Rhode Island [Corporate name] CCRP Continuously Computed Release Point CCS Hundred Call Seconds [Telephony] CCS7 Common Channel Signalling (version #7) [Telephony, AT&T] CCSA Common Control Switching Arrangement [Telephony] CCTA Central Computer and Telecommunications Agency CCTV Closed Circuit TeleVision CD Carrier Detect (properly DCD (q.v.)) (EIA RS-232-C) CD Certificate of Deposit CD Civil Defense CD Collision Detection (as in CSMA/CD (q.v.)) CD Compact Disk CDA Call Data Accumulator CDA Compound Documents Architecture CDC Centers for Disease Control CDC Control Data Corporation, Inc. [Corporate name] CDEV Control panel DEVice CDIAC Carbon Dioxide Information Analysis Center CDO Community Dial Office CDR CommanDeR CDR Contents of the Decrement part of the Register (LISP) CD-ROM Compact Disk Read Only Memory CD-ROM Compact Disk Read-Only Memory [Space] CDSF Commercially Developed Space Facility CDT Central Daylight Time CDU Control Display Unit CE Chemical Engineer CE Civil Engineer CE Common Era (substitute for AD) CE Corps of Engineers CE Customer Engineer (see also FE, SE) CEA Commissariat a l'Energie Atomique (Frenc Atomic Energy Commision) CEA Council of Economic Advisors CEA County Education Authority CEC Commission of the European Communities CED Committee for Economic Development CELSS Controlled Ecological Life Support System [Space] CENS Centre d'Etudes Nucleaires de Seclay CENTO CENtral Treaty Organization CEO Chief Executive Officer CERFnet California Education and Research Federation Network CERN European Organization for Nuclear Research CERN organisation (formerly Conseil) Europeenne pour la Recherche Nucleaires CERT Computer Emergency Response Team CEVI Common Equipment Voltage Indicator CF Carry Forward CF Coin First (payphone) [Telephony] CF Cystic Fibrosis [Disease] CFA Center For Astrophysics [Space] CFC Chloro-FluoroCarbon [Chemical] 8 CFC CFD CFHT CFI CFL CFO CG CG CGA CGCT CG&E CGE CH CH CH CH CHA CHAP CHARA CHI CHOTS CHP CI CIA CIA CIC CIC CIC CICA CICS CID CID CID CID CIDIN CIM CIO CIRRIS CISC CIT CIT CIT CLASP CLASS CLI CLID CLNP CLNS CLR CLRC CLU CLUT cm CM CM CMC CMD CMIP CMIS CML CMMU CMOS CMOT CMRR 9 Combined Federal Campaign Computational Fluid Dynamics Canada-France-Hawaii Telescope [Space] Cost, Freight, and Insurance Canadian Football League Chief Financial Officer Coast Guard Commanding General Color Graphics Adapter Compagnie Generale de Constructions Telephoniques Cincinnati Gas & Electric Compagnie Generale d'Electricite Cardboard Heroes ClearingHouse CourtHouse Customs House Champions CHAnnel Processor Center for High Angular Resolution Astronomy [Space] Chill: Adventures into the Unknown Corporate Headquarters Office Technology System California Highway Patrol Cubic Inches Central Intelligence Agency [US Government] Culinary Institute of America (Hyde Park, NY) Carrier Identification Codes [Telephony] (10XXX codes) Committee on Institutional Cooperation Coordination and Information Center [CSNet] Competition in Contracting Act Customer Information Control System [IBM] Caller ID [Telephony] (see also: CLID, ANI) Central Institute for the Deaf Charge Injection Device (see CCD) Computer Integrated Design Common Icao Data Interchange Network Computer Integrated Manufacturing Chief Information Officer Cryogenic InfraRed Radiance Instrument for Shuttle [Space] Complex Instruction Set Computer California Institute of Technology Case Institute of Technology (part of CWRU, Cleveland, OH) Circumstellar Imaging Telescope [Space] Comprehensive Logistics Automated Support Program Custom Local Area Signaling Service [Telephony] Command Line Interpreter Calling Line ID [Telephony] (see also: CID, ANI) Connectionless-mode Network Protocol Connectionless-mode Network Service Combined Line and Recording Circuit Layout Record Card Chartered Life Underwriter Color LookUp Table centimeters Command Module (Apollo spacecraft) [Space] Congregation of the Mission Communication Machinery Corp. Centralized Message Distribution Common Management Information Protocol Common Management Information Services Current Model Logic Cache/Memory Management Unit Complementary Metal Oxide Semiconductor (see MOS) Common Management Information Services and Protocol Over TCP/IP Common Mode Rejection Ratio CMS Circuit Maintenance System CMSgt Chief Master Sergeant CMU Carnegie-Mellon University CMYK Cyan, Magenta, Yellow, blacK CN Canadian National [Corporate name, Railroading] CN/A Customer Name / Address [Telephony] CNI Common Network Interface [Telephony, AT&T] (Department of AT&T) CNN Cable News Network CNO Carbon-Nitrogen-Oxygen [Space] CNO Chief of Naval Operations CNR Canadian National Railways CNR Carrier to Noise Ratio CNRI Corporation for National Research Initiatives CNRS Centre National de la Recherche Scientifique (French National Center for Scientific Research) CNS Central Nervous System CNSR Comet Nucleus Sample Return [Space] CO Cash Order CO Central Office [Telephony] CO Colorado CO Commanding Officer CO Conscientious Objector C/O in Care Of COB Close Of Business COBE COsmic Background Explorer [Space] COBOL COmmon Business Oriented Language COC Call of Cthulhu COCOT Customer Owned, Coin Operated Telephone [Telephony] COD Collect On Delivery; Cash On Delivery CODEC COder-DECoder COER Central Office Equipment Report COLA Cost-Of-Living Allowance COM Computer Output (on) Microfiche COM Computer Output (on) Microfilm COMAS Central Office Maintenance and Administration System COMM Communications COMPACT COMmercial Product ACquisition Team COMPTEL COMPton TELescope (on GRO) [Space] COMSAT Communications Satellite [Space] CONACYT Consejo Nacional de Cienca Y Tecnologia (Mexican National Council of Science and Technology) CONS Connection-Oriented Networking Service CONS Connection-Oriented Networking Session CONS CONStruct (LISP) CORE COntrolled Requirement Expression CORN COmputer Resource Nucleus COS Corporation for Open Systems COSINE Cooperation for Open Systems Interconnection Networking in Europe COSMIC COmmon System Main InterConnecting frame COSMIC COmputer Software Management and Information Center COSMOS COmputer System for Mainframe OperationS COSTAR Corrective Optics Space Telescope Axial Replacement [Space] COT Card Or Tape (NCR) CP Campus Police (MIT, others probably too) CP Canadian Pacific CP Chemically Pure CP Command Post CP Command Processor CP CoPy CP the Canadian Press CPA Certified Public Accountant CPE Customer Premises Equipment CPE Customer Provided Equipment CPFF Cost Plus Fixed Fee 10 CPI Characters Per Inch CPI Common Programming Interface CPL Combined Programming Language CPM Control Program for Microcomputers (sometimes CP/M) CPM Control Program Monitor (sometimes CP/M) CPO Chief Petty Officer CPO Chief Post Office CPR Canadian Pacific Railway CPS Characters Per Second CPSR Computer Professionals for Social Responsibility CPT CaPTain CPU Central Processing Unit CPW Certified Public Weigher CQ Change of Quarters CR Carriage Return (ASCII 15 octal) CRA Cambridge Redevelopment Authority CRAF Comet Rendezvous / Asteroid Flyby [Space] CRAM Card Random Access Memory (NCR, but maybe others) CRC Chemical Rubber Company CRC Cyclic Redundancy Check CREG Concentrated Range Extension with Gain CREN The Corporation for Research and Educational Networking (merge of BITNET and CSNet) CRRES Combined Release / Radiation Effects Satellite [Space] CRRES Combined Release and Radiation Effects Satellite [NASA] CRT Cathode Ray Tube (also generic reference to a terminal) CRTC Canadian Radio-television and Telecommunications Commission C&S Chivalry & Sorcery CS Civil Servant CS Computer Science; Computing Science CS County Seat CSA Confederate States of America CSAB Computing Sciences Accreditation Board CSACS Centralized Status, Alarm and Control System CSC Computer Sciences Corporation CSDC Circuit Switched Digital Capability CSF Critical Success Factor CSI Commercial Systems Integration CSIS Canadian Security and Intelligence Service CSL Coin Supervising Link CSM Command and Service Module (Apollo spacecraft) [Space] CSM Command Sergeant Major CSMA Carrier Sense Multiple Access CSMA/CA Carrier Sense Multiple Access with Collision Avoidance CSMA/CD Carrier Sense Multiple Access with Collision Detection CSNET Computer + Science Network (merged with BITNET to make CREN) CSO Central Services Organization CSOC Consolidated Space Operations Center (at Colorado Springs) CSP Control Switching Point CSR Control and Status Register CSR Customer Service Representative [Telephony] CSRG Computer Systems Research Group CSRS civil Service Retirement System CSS Customer Switching System CST Central Standard Time CSU Channel Service Unit CT Central Time C&T Communications & Tracking [Space] CT Connecticut CTC Canadian Transport Commission CTC Centralized Traffic Control [Railroading] CTD Computing and Telecommunications Division CTIO Cerro Tololo Inter-american Observatory CTIO Cerro Tololo Interamerican Observatory [Space] 11 CTNE CTS CTS CTV CU CUA CUL CV CW CW CW CW CW CW CWO CWO CWRU CXI CY CYO CZ D DA DA DA D/A DA DA DA DAC DA/C DACCS DACS DAD DAG DAL DA/M DAP DAR DARE DARPA DASD DAT DATA DAV DB db dba DBF DBME dbms DBRAD DC DC DCA DCA DCA DCC DCCO DCD DCE DCL DCP DCTS 12 Compania Telefonica Nacional de Espana Clear To Send (EIA RS-232-C) Compatible Timesharing System Canadian TeleVision network Close-Up Common User Access See You Later [Net jargon] Curriculum Vitae Car Wars Chemical Warfare Child Welfare Churchwarden Churdwarden Continuous Wave Cash With Order Chief Warrant Officer Case Western Reserve University Common X-windows Interface Calendar Year Catholic Youth Organization Canal Zone Depth Days after Acceptance Department of Agriculture Deposit Account Digital to Analog converter Directory Assistance (/C = computerized, /M = Microfilm) [Telephony] District Attorney Don't Answer [Telephony] (may be more general) Digital to Analog Converter Directory Assistance/Computerized Digital Access Cross Connect System [Telephony] (suspect, see DACS) Digital Access Cross-connect System [Telephony] Draft ADdendum Directed Acyclic Graph Dedicated Access Line [Telephony] Directory Assistance/Microfilm Division Advisory Panel (of NSF (q.v.) DNCRI (q.v.)) Daughters of the American Revolution Drug Abuse Resistance Education Defense Advanced Research Projects Agency (of the DoD, see also ARPA) Direct Access Storage Device Digital Audio Tape Defense Air Transport Administration Disabled American Veterans DataBase decibel(s) doing business as DBase Format DataBase Managment Environment DataBase Management System (rdbms for Relational ...) Data Base Relational Application Directory Direct Current (dc, see also AC) District of Columbia Defense Communications Agency Distributed Communication Architecture Document Content Architecture Descriptive Cataloging Committee Defense Commercial Communications Office Data Carrier Detect (sometimes CD (q.v.)) (EIA RS-232-C) Data Communication Equipment Digital Command Language Distributed Communications Processor Dimension Custom Telephone Service DD DD DD DD DD DD DD D&D DDC DDCU DDD DDL DDN DDP DDS DDS DDS DDS DDS DDT DDT DDT DE DEA DEAR DEC DECUS DES DEW DF D/F DFC DFD DFE DFM DFN DFRF DFS DFW DG DG DG DGSC DHHS DHSS DHSS DIA DIAD DIAL DIAS DID DIF DIN DIRE DIS DISA DISOSS DIY DJ DLA DLI DLL DLL DLO 13 Daredevils Data Dictionary Days after Date Demand Draft Dishonorable Discharge Disk Drive Doctor of Divinity Dungeons & Dragons Digital Data Converter DC-to-DC Converter Unit [Space] Direct Distance Dialing [Telephony] (principally US, elsewhere STD) Document Description Language Defense Data Network Distributed Data Processing Dataphone Digital Service [AT&T] Digital Data Service Direct Digital Service Doctor of Dental Science Doctor of Dental Surgery DEC Debugging Tape Di-<something> (pesticide) Dynamic Debugging Technique Delaware Drug Enforcement Agency [US Government] Department of Energy Acquisition Regulation Digital Equipment Corporation [Corporate name] Digital Equipment Corporation Users Society Data Encryption Standard [NIST] Distant Early Warning (as in DEW Line) Damage Free Direction Finding Distinguished Flying Cross Data Flow Diagram Data Flow Editor Distinguished Flying Medal Deutsche Forschungsnetz Verein (German Research Network Association) Dryden Flight Research Facility [Space] Depth-First Search Dallas-Ft.Worth (regional airport) Data General [Corporate name] Dei Gratia (by the grace of God) Director General Defense General Supply Center Department of Health and Human Services british Department of Health and Social Security Department of Health and Social Security (British) Document Interchange Architecture (magnetic) Drum Information Assembler / Dispatcher Direct Information Access Line Defense Automatic Integrated System Direct Inward Dialing [Telephony] Document Interchange Format Deutsches Institut fur Normung Dire Is Really Emacs Draft International Standard [ISO] Data Interchange Standards Association Distributed Office Support System [IBM] Do It Yourself Disc Jockey Defense Logistics Agency Data Link Interface(?) Data Link Layer [ISO OSI] Dial Long Line equipment Dead Letter Office DM Dungeon Master DMA Direct Memory Access DMD Doctor of Dental Medicine DME Distance Measuring Equipment DMF Probably part of an X.400 address in Europe DMOS Diffusion Metal Oxide Semiconductor (see MOS) DMSP Defense Meteorological Satellite Program [Space] DMV Department of Motor Vehicles DMV Department of Motor Vehicles (Calif) DMZ DeMilitarized Zone DNA DeoxyriboNucleic Acid DNA Digital Network Architecture [DEC] DNCRI [NSF] (q.v.) Division of Networking and Communications Research and Infrastructure DNHR Dynamic NonHierarchical Routing DNIC Data Network Identification Code [Telephony] DNIS Dialed Number Identification Service (see also DID) [Telephony] DNL Director of Naval Laboratories DNR Dialed Number Recorder [Telephony] DNS Domain Name System DOA Dead On Arrival DOB Date Of Birth DOC Dynamic Overload Control DOD Department Of Defense [US Government] (sometimes DoD) DOE Department of Energy [US Government] DOHC Dual OverHead Cams [Automotive] DOMAIN Distributed Operating Multi Access Interactive Network (Apollo) DOS Disk Operating System DOT Department Of Transportation [US Government] DOT&E Director, Operational Test and Evaluation DOV Data Over Voice [Telephony] DOY Day of Year DP Data Processing DP Dial Pulse [Telephony] DP Displaced Persons (expelled from native land) DP Display Postscript DP Double Penetration DP Double Play DP Draft Proposal DPA Delegation of Procurement Authority DPANS Draft Proposed American National Standard DPI Dots Per Inch DPS Display PostScript DQ Dairy Queen DQ Dragon Quest DQDB Distributed Queue Dual Bus (IEEE 802.6) [Telephony, Networking] DQL Database Query Language DR Dead Reckoning DR Dining Room DRAM Dynamic Random Access Memory (as opposed to static RAM) DRD Data Reading Device DRE Directional Reservation Equipment DRG Democratic Republic of Germany (East Germany) DRI Defense Research Internet DRI Digital Research, Incorporated [Corporate name] d.s. died single [Genealogy] DS Double-Sided DS Draft Standard DSA Dial System Assistance DSE Data Structure Editor DSEE Domain Software Engineering Environment DSM Distinguished Service Medal DSO Distinguished Service Order DSP Decessit Sine Prole (died without issue) 14 DSP DSRI DSS DSS DST DSTN DSU DT DTE DTF DTMF DTP DTR DUI DUT DV DVM DVM DWAPS DWI DWI DWIM DX DXT d.y. E E EADASS EAFB EAN EARN EAS EASI EBCDIC EC ECAFE ECASS ECASS ECC ECC ECCM ECDO ECG ECL ECLSS ECM ECM ECMA ECO ECO ECO ECPA ECS ECT ECV ED&D EDGAR EDI EDIF EDO EDP EDS EDT EDTA 15 Digital Signal Processing Digital Standard Relational Interface Decision Support System Direct Station Selection [Telephony] Daylight Saving Time Double SuperTwisted Nematic Digital Service Unit Delirium Tremens Data Terminal Equipment Dial Tone First payphone [Telephony] Dial Tone Multi Frequency [Telephony] DeskTop Publishing Data Terminal Ready (EIA RS-232-C) Driving Under the Influence Device Under Test Deo Vo lente (God willing) Digital Volt Meter Doctor of Veterinary Medicine Defense Warehousing Automated Processing System Died Without Issue [Genealogy] Driving While Intoxicated Do What I Mean Distance (as in long distance radio communication) Data eXtractT facility died young [Genealogy] East Espionage Engineering and Administrative Data AcquiSition System Edwards Air Force Base [Space] Certainly part of an X.400 Address in Europe European Academic Research Network Extended Area Service (or Engineering Admin. System) European Academic Supercomputer Initiative (of IBM) Extended Binary Coded Decimal Interchange Code Exchange Carrier [Telephony] Economic Commission for Africa and the Far East Electronically Controlled Automatic Switching System Export Control Automated Support System Error Correction Code Error Correction Code (corrects error in memory or transmission) Electronic Counter-CounterMeasures Electronic Community Dial Office ElectroCardioGram Emitter Coupled Logic (see also TTL) Environmental Control and Life Support System [Space] Electronic Counter Measure European Common Market European Computer Manufacturers Association Ecological Electronic Central Office Engineering Change Order Electronic Communications Privacy Act [US law] Environmental Control System [Space] ElectroConvulsive Therapy Electric Cargo Vehicle [NASA OEXP] Expert Dungeons & Dragons Electronic Data Gathering, Analysis, and Retrieval Electronic Data Interchange Electronic Design Interchange Format Extended Duration Orbiter [Space] Electronic Data Processing Electronic Data Systems Eastern Daylight Time Ethylene Diamine Tetraacetic Acid EDTCC EE EE EEC EEC EEG EEL E&EO EEPROM EFF e.g. EGA EGP EGRET EHF EIA EINE EISA EISS EKG EL ELF ELO ELP ELV E&M EM EMA EMACS EMACS E-MAIL EMF EMF EMI EMP EMPRESS EMR EMR EMS EMS EMT EMU EMU ENIAC ENS EO EO EOF EOM EOS EOWG EP EP EPA EPOS EPRI EPROM EPS EPT EQ ER ERA ERA ERA 16 Electronic Data Transmission Communications Central Electrical Engineer Electrical or Electronics Engineer European Economic Community European Economic Comunity ElectroEncephaloGram Epsilon Extension Language Errors and Omissions Excepted Electrically Erasable Programmable Read Only Memory Electronic Frontier Foundation ??? (Latin(?): for example) Enhanced Graphics Adapter Exterior Gateway Protocol [Internet] Energetic Gamma Ray Experiment Telescope (on GRO) [Space] Extremely High Frequency (30-300GHz) Electronic Industries Association EINE Is Not Emacs Extended Industry-Standard Architecture European Intelligence Support System ElectroKardioGramm (see ECG) ElectroLuminescent (as in display) Extremely Low Frequency Electric Light Orchestra Emerson, Lake and Palmer (or Powell) Expendable Launch Vehicle [Space] ``Ear and Mouth''; receive and transmit leads of a signalling system Enlisted Man (see EW) Electronic Mail Association Editor MACroS Eight Megabytes And Constantly Swapping Electronic MAIL ElectroMotive Force ElectroMotive Force (voltage) ElectroMagnetic Interference Electromagnetic Pulse EnvironMental Pulse Radiation Environment Simulator for Ships ElectroMagetic Response ElectroMagnetic Response Electronic Message System Extended Memory Specification Emergency Medical Technician ElectroMagnetic Unit Extravehicular Mobility Unit [Space] Electronic Numerical Integrator and Calculator ENSign End Office [Telephony] Erasable Optical End Of File End Of Month Earth Observing System [Space] Engineering and Operations Working Group (under FNC) Experience Points Extended Play Environmental Protection Agency Engineering and Project-management Oriented Support system Electric Power Research Institute Erasable Programmable Read Only Memory Encapsulated PostScript Empire of the Petal Throne Educational Quotient (see IQ) Emergency Room Earned Run Average Entity-Relationship-Attribute Equal Rights Amendment ERD Entity-Relation Diagram ERE Entity Relationship Editor ERT Earth Resources Technology [Space] ES Expert System ESA European Space Agency ESA European Space Agency [Space] ESAC Electronic Systems Assistance Center ESDI Enhanced Standard Device Interface ESE East South East ESF Extended Superframe Format [Telephony] ESM Electronic Support Measures ESnet Energy Sciences network (DoE) [Networking] ESO European Southern Observatory ESO European Southern Observatory [Space] ESP Extra Sensory Perception ESPS Entropic Signal Processing System ESS Electronic Switching System [Telephony] ESSEX Experimental Solid State EXchange EST Eastern Standard Time ET Eastern Time ET Extra Terrestrial [Space] ET (Shuttle) External Tank [Space] ETA Estimated Time of Arrival ET/ACC External Tank/Aft Cargo Carrier (see also ET) [Space] ETC Et cetera, and so on... ETD Estimated Time of Departure ETFD Electronic Toll Fraud Device [Telephony] ETH Eidgn\:oessiche Technische Hochschule (Swiss Federal Institute of Technology) ETLA Extended Three Letter Acronym [Space] ETO Earth-to-Orbit [Space] ETR Eastern Test Range [Space] ETS Electronic Translator System ETV Education TeleVision EUUG European Unix User Group EUV Extreme UltraViolet EUV Extreme UltraViolet [Space] EUVE Extreme UltraViolet Explorer [Space] EVA ExtraVehicular Activity EVA ExtraVehicular Activity [Space] EVX Electronic Voice eXchange EW Electronic Warfare EW Enlisted Woman (see EM) EWOS European Workshop for Open Systems FA Football Association (British soccer--a word derived from Association) FAA Federal Aviation Agency [US Government] FACD Foreign Area Customer Dialing FAO Food and Agriculture Organization [US Government] FAQ Frequently Asked Questions [Space] FAR Federal Acquisition Regulations FAS Foreign Agricultural Service FAS Free Alongside Ship FASST Flexible Architecture Standard System Technology FAST Fast Auroral SnapshoT explorer [Space] FAT Foreign Area Translation FAX FAcsimile FB Freight Bill FBI Federal Bureau of Investigation [US Government] FCC Federal Communications Commission [US Government] FCC Federal Computer Conference FCCSET Federal Coordinating Committee for Science, Education and Technology (under OSTP) {Maybe Eng. for Edu.??} FCO Field Change Order FCO Frequency Controlled Oscillator 17 FCS Frame Check Sequence FDA Food and Drug Administration [US Government] FDDI Fiber Digital Data Interface FDDI Fiber Distributed Data Interface FDHD Floppy Drive High Density FDIC Federal Deposit Insurance Corporation FDIC Federal Deposit Insurance Corporation [US Government] FDM Frequency Division Multiplexing FDR Franklin Delano Roosevelt [US President] FE Field Engineer (see also CE, SE) FEA Finite Element Analysis FEDSIM FEDeral Systems Integration and Management center FEMA Federal Emergency Management Agency FEMF Foreign EMF (q.v.) (a.k.a. Cross Battery) [Telephony] FEPC Fair Employment Practices Commission FEPG Federal Engineering Planning Group (of FNC under EOWG, originally of FRICC) FERS Federal Employees Retirement System FET Federal Excise Tax FET Field Effect Transistor FFA Future Farmers of America FFT Fast Fourier Transform FFT Fast Fourier Transform [Space] FG-A Feature Group A [Telephony] (Line Side termination for LD carriers) FG-B Feature Group B [Telephony] (Trunk Side termination for LD carriers (aka ENFIA B), 950 service) FG-D Feature Group D [Telephony] (Trunk Side termination for LD carriers, 1+ service) FGS Fine Guidance Sensors (on HST) [Space] FHA Federal Home Administration FHA Future Homemakers of America FIB Focused Ion Beam FICA Federal Insurance Contributions Act FIDO Fog Investigation Dispersal Operation FIFO First In First Out (as in registers and buffers) FILO First In Last Out (see also FIFO) FIMS Forms Interface Management System FINE FINE Is Not Emacs FIO Frequency In and Out FIPS Federal Information Processing Standard FIR Far InfraRed [Space] FIR Finite Impulse Response FIRMR Federal Information Resource Management Regulation FIT Federal Information Technologies, inc. FITS Flexible Image Transport System [Space] FIX Federal Inter-agency eXchange [Networking] FL Florida FLACC Full Level Algol Checkout Compiler FLEA Four Letter Extended Acronym FLL Fixed Loss Loop [Telephony] FLOP FLoating point OPeration FLOPS FLoating-point OPerations per Second FLRA Federal Labor Relations Authority FM Frequency Modulation FMB Federal Maritime Board FMCS Federal Mediation and Conciliation Service FMR Follow Me Roaming [Telephony] FMS Financial Management Service (Treasury Dept) [US Government] FMS Forms Management System FNC Federal Networking Council (formerly FRICC) [US Government] (under OSTP) FO Foreign Office FO Forward Observer FOAC Federal Office Automation Center 18 FOB Free On Board FOB Full Of Bull (aperiodical of) [TMRC] FOC Faint Object Camera (on HST) [Space] FOC Free Of Charge FOIA Freedom Of Information Act FOIMS Field Office Information Management System FOIRL Fiber Optic Inter(?) Repeater(?) Link(?) [Ethernet] FOOBAR See FUBAR [Net jargon] FOR Free On Rail FORCS Faa's Operational Reporting Communication System FORD Fix Or Repair Daily [Humor] FORD Found On Road Dead [Humor] FORTRAN FORmula TRANslator FOS Faint Object Spectrograph (on HST) [Space] FOSE Federal Office Systems Exposition FOT Fiber Optic Transceiver [Ethernet] FOT Free On Truck FOV Field Of View FPA Floating Point Accelerator FPC Fish Protein Concentrate FPE Floating Point Engine FPHA Federal Public Housing Authority FPLA Field Programmable Logic Array (see PLA) FPM Feet Per Minute FPO Field Post Office FPO Fleet Post Office fps Feet Per Second FPU Floating Point Unit FQDN Fully Qualified Domain Name [TCP/IP] (DNS) FR Frame Relay [Telephony, Networking] FRACTAL FRACTional dimensionAL FRED Fred Resembles Emacs Deliberately FRG Federal Republic of Germany (West Germany) FRICC Federal Research Internet Coordinating Committee (now FNC, q.v.) [Networking, US Government] FROG Free Rocket Over Ground FRPG Fantasy Role Playing Game FRS Federal Reserve System FS Field Service FS File System FS Full Standard FSF Free Software Foundation FSK Frequency Shift Keying FSLIC Federal Savings and Loan Insurance Corporation FSS Federal Supply Service FSW Forward Swept Wings Ft Foot FTAM File Transfer And Management (ISO upscale FTP) FTC Federal Trade Commission FTL Faster Than Light FTP File Transfer Protocol (esp. of the TCP/IP suite) FTS Federal Telecommunications System [Telephony, US Government] FTS Flight Telerobotic Servicer [Space] FUBAR F***ed Up Beyond All Recognition/Repair FUBAR Fouled Up Beyond All Recognition/Repair FUSE Far Ultraviolet Spectroscopic Explorer [Space] FW Fringeworthy FWD Front Wheel Drive FWHM Full Width at Half Maximum [Space] FX Foriegn eXchange [Telephony] FY Fiscal Year FYI For Your Information G General audiences [Movie rating] G Gravity 19 GA Gamblers Anonymous GA General Assembly GA General Average GA General of the Army GA Georgia GAAP Generally Accepted Accounting Principles GAB Group Audio Bridging [Telephony] Gaia Earth's self-sustaining Biosphere (Not an acronym, from some ancient language, I think) GAN Global Area Network GAO General Accounting Office [US Government] GAR Grand Army of the Republic GARR Gruppo Arminizzazione Rete por la Ricerca (Italian Research Network Harmonization Group) GAS Get-Away Special [Space] GATT General Agreement on Tariffs and Trade GAW Guaranteed Annual Wage GAW Guarenteed Annual Wage GB Gangbusters GB GigaByte GB Great Britain GBIP General Purpose Interface Bus GBT Green Bank Telescope [Space] GC Garbage Collection (LISP) GC Gas Chromatograph (or Chromatography) GCA Ground Controlled Approach GCC Gnu C Compiler GCD Ground Controlled Descent GCL Graphics Command Language GCM General Court Martial GCR Group-Coded Recording (magnetic tape, 6250 bpi) GCT Greenwich Civil Time GCVS General Catalog of Variable Stars [Space] GDB Gnu DeBugger GDP Gross Domestic Product GDS Great Dark Spot [Space] GE General Electric GEM Giotto Extended Mission [Space] GEM Graphics Environment Manager GEO Geosynchronous Earth Orbit [Space] GHQ General HeadQuarters GHRS Goddard High Resolution Spectrograph (on HST) [Space] GHz Giga HertZ (unit of frequency, 1,000,000,000 cycles per second) GI Galvanized Iron GI Gastro Intestinal (as in upper GI) GI General Issue GI Government Issue GID Group ID [UNIX] GIF Graphics Interchange Format GIGO Garbage In Garbage Out GIN Graphics INput GISS Goddard Institute for Space Studies GKS Graphical Kernel Standard GKS Graphics Kernel System GM Game Master GM General Manager GM General Motors [Corporate name, Automobile] GM Guided Missile GMBH Gesellschaft Mit Beschraenkter Haftung GMC Giant Molecular Cloud [Space] GMD Gesellschaft f\:ur Mathematik und Datenverarbeitung (German Institute for Mathematics and Data Processing) GMRT Giant Meter-wave Radio Telescope [Space] GMT Greenwich Mean Time (also called UT) 20 GNP Gross National Product GNU GNU's Not Unix GOES Geostationary Orbiting Environmental Satellite [Space] GOES Geostationary Orbiting Environmental Satellites [Space] GOSIP Government Open Systems Interconnection Profile (calls for government procurement of ISO/CCITT products) GOSIP Government OSI Profile GP General Practitioner GP General Purpose (RR engines and origin of Jeep) [Railroading, Automobile] GPC General Purpose Computer [Space] GPI Graphics Programming Interface GPIB General Purpose Interface Bus GPIB General-Purpose Interface Bus GPL GNU General Public Licence GPO General Post Office GPO Government Printing Office GPS Global Positioning System GPS Global Positioning System [Space] GQ General Quarters GRB Gamma Ray Burst(er) GREP Global Regular Expression Print, g/re/p, (UNIX command) GREP Global Regular Expression Print [UNIX] GRO Gamma Ray Observatory [Space] GRS Gamma Ray Spectrometer (on Mars Observer) [Space] GRS Great Red Spot [Space] GS General Schedule GS Glide Slope GSA General Services Administration GSA General Services Adminstration [US Government] GSA Girl Scouts of America GSBCA General Services administration Board of Contract Appeals GSC Guide Star Catalog (for HST) [Space] GSFC Goddard Space Flight Center (Greenbelt, MD) [NASA, Space] GSI Gesellschaft f\:ur Schwerionenforschung (German Federal Research Institute for Heavy Ion Research) GSM Global System Mobile GSM Groupe Speciale Mobile (Committee Designing preceding) GSTS Ground-based Surveillance and Tracking System GT Gross Ton GTE General Telephone and Electric [Corporate name] GTO Geostationary Transfer Orbit [Space] GTSI Government Technology Services, inc. GUI Graphical User Interface GW Gamma World GWEN Ground Wave Emergency Network GWM Generic Window Manager [X] H Harn H Height HACD Home Area Customer Dialing HAL Heuristically programmed ALgorithmic computer (movie 2001) HAM Hold And Modify HAO High Altitude Observatory [Space] Hb HemogloBin HBM Her British Majesty; His British Majesty HBO Home Box Office HC Holy Communion HC House of Commons HCFA Health Care Financing Administration HCFC hydrochlorofluorocarbon [Chemical] HCL High Cost of Living HD Hard Disk HD Heavy Duty HD Henry Draper catalog entry [Space] 21 HDA HDBV HDL HDLC HDTV HE HE HEAO HEDM HEMP HEO HEPnet HERO HF HF HFE HFS HGA HHS HI HIIPS HLC HLL HLV HMC HMOS HMS HMT HNPA HOBIS HOL HOTOL HP HP HP HP HP HPGe HPL/T HQ HR HR HRH HRH HRI HS HSB HSP HST HST HT HTK HUAC HUD HUD HUPD HUT HV HVAC HW2000 HWM Hz IAB IAEA 22 Head Disk Assembly (in winchester disk drives) Host Data Base View High Density Lipoprotein High-level Data Link Control [Networking] High Definition Television His Eminence His Excellency High Energy Astronomical Observatory [Space] High Energy-Density Matter [Space] Help End Marijuana Prohibition High Earth Orbit [Space] High Energy Physics network [Networking] Hazards of Electromagnetic Radiation to Ordnance High Fantasy High Frequency (3-30MHz) Human Factors Engineering Hierarchical File System High Gain Antenna [Space] (US Department of) Health and Human Services Hawaii Hud Integrated Information Processing Services Heavy Lift Capability [Space] High-Level Language Heavy Lift Vehicle [Space] Halley Multicolor Camera (on Giotto) [Space] High performance Metal Oxide Semiconductor (see MOS) His/Her Majesty's Ship His/Her Majesty's Transport Home Numbering Plan Area [Telephony] HOtel Billing Information System High-Order System HOrizontal Take-Off and Landing Hewlett Packard, Inc. [Corporate name] High Pressure Higher Power (sort of an AA "in" term, usually God) Hit Points HorsePower High Purity Germanium High-Productivity Languages/Tools HeadQuarters Hertzsprung-Russell (diagram) [Space] House of Representatives Her Royal Highness His Royal Highness High Resolution Imager (on ROSAT) [Space] High School Hue, Saturation, Brightness High Speed Photometer (on HST) [Space] Hawaiian Standard Time Hubble Space Telescope [Space] High Tension (as in electric power transmission) Hits To Kill House Unamerican Activities Committee Heads Up Display Housing and Urban Development [US Government] Harvard University Police Department Hopkins Ultraviolet Telescope (ASTRO package) [Space] High Voltage Heating, Ventilation, and Air Conditioning Highway 2000 High-Water Mark HertZ (unit of frequency, cycles per second) Internet Activities Board [Networking] International Atomic Energy Agency IANA IATA IAU IAUC IBM IBM IBM IBT IC IC ICB ICBM ICE ICE ICI ICJ ICL ICMP ICP ICP ICRC ID ID IDA IDA IDA IDDD IDE IDF IDL IDV i.e. IE IEC IEE IEEE IETF IF IFB IFC IFC IFF IFF IFLA IFR IGES IGM IGY IGY IHP IHS IIA IIE IIHF IIL ILO ILS ILV IMF IMHO IMO IMP IMSL IN 23 Internet Assigned Numbers Authority ([email protected]) International Air Transport Association International Astronomical Union [Space] IAU Circular [Space] Ingrained Batch Mentality International Business Machines, Inc. [Corporate name] Itty Bitty Machines Illinois Bell Telephone Integrated Circuit Interexchange Carrier [Telephony] (see also IEC, IXC) Interstate Computer Bank InterContinental Ballistic Missile In-Circuit Emulator International Cometary Explorer [Space] Imperial Chemical Industries International Court of Justice International Computers Ltd. Internet Control Message Protocol Integrated Channel Processor Inventory Control Points International Cosmic Ray Conference Idaho IDentification Intercommunication Data Areas International Dark-sky Association [Space] International Development Association International Direct Distance Dial [Telephony] Interactive Development Environments, inc Intermediate Distributing Frame [Telephony] Interactive Data Language [Space] Interlibrational Derived Vehicle [Space] ???? (Latin(?): in other words (?)) Indo-European Inter-Exchange Carrier [Telephony] (see also IC, IXC) Institute of Electrical Engineers [UK] Institute of Electrical and Electronic Engineers Internet Engineering Task Force Intermediate Frequency (as in IF stage) Invitation For Bids International Finance Corporation International Freighting Corporation Identification - Friend or Foe Interchange File Format International Federation of Library Associations Instrument Flight Rules [Aviation] Initial Graphics Exchange Standard InterGalactic Medium [Space] International Geophysical Year International Geophysical Year [Space] Indicated HorsePower Integrated Hospital Support Information Industry Association Institute of Industrial Engineers International Ice Hockey Federation Integrated Injection Logic International Labor Organization Instrument Landing System Industrial Launch Vehicle [Space] International Monetary Fund In My Humble Opinion [Net jargon] In My Opinion [Net jargon] Interface Message Processor [ARPANET/MILNET] (replaced by PSN) International Mathematical Subroutine Library Indiana INADS INRA INRIA INS INTAP INWATS I/O IO IOC IOD IOOF IOTA IOTA IOU IP IP IP IP IPC IPE IPMS IPS IPS IPSE IQ IR IR IRA IRA IRAF IRAS IRBM IRDS IRDS IRE IRM IRMS IRS IRTF IS IS ISA ISAM ISAS ISBD ISC ISC ISCH ISDN ISDT ISEE ISF ISFUG ISI ISM ISO ISO ISO ISODE ISOO ISPM ISPM ISR ISRG 24 INitialization and ADministration System [Telephony] Iesus Nazerenus Rex Iudaeorum (Jesus of Nazareth, King of the Jews) Institut National de Recherche en Informatique et Automatique Immigration and Naturalization Service INteroperability Technology Association for information Processing INward Wide Area Telephone Service [Telephony] Input/Output Input/Output (sometimes I/O) International Operating Center [Telephony, US] Identified Outward Dialing International Order of Odd Fellows Infrared-Optical Telescope Array [Space] International Occultation Timing Association [Space] I Owe you(U) Information Provider [Telephony] Innings Pitched Intermediate Point Internet Protocol Inter-Process Communication Integrated Programming Environment InterPersonal Message Services Inertial Pointing System [Space] Information Processing Standards Integrated Project-Support Environment Intelligence Quotient (see EQ) Index Register Infra-Red Individual Retirement Account Irish Republican Army Image Reduction and Analysis Facility [Space] InfraRed Astronomical Satellite [Space] Intermediate Range Ballistic Missile Information Resource Dictionary Standard InfraRed Detection Set Institute of Radio Engineers (old name for the now IEEE, which see) Information Resources Management Information Resources Management Service Internal Revenue Service Internet Research Task Force Information Systems International Standard [ISO] (Beyond the DIS Stage) Industry-Standard Architecture Indexed Sequential Access Method Institute of Space and Astronautical Science (Japan) [Space] International Bibliographic Description Information Services Center International Switching Center Interstitial-Cell-Stimulating Hormone (same as LH) Integrated Services Digital Network [Telephony] Integrated Systems Development Tool International Sun Earth Explorer (usually ISEE-3) Information Systems Factory Integrated Software Federal User Group Information Sciences Institute InterStellar Medium [Space] Infrared Space Observatory [Space] International Organization for Standardization International Standards Organization [Space] ISO Development Environment Information Security Oversight Office International Solar Polar Mission International Solar Polar Mission (now Ulysses) [Space] Institute of Snow Research Independent Space Research Group ISV Independent Software Vendor ISY International Space Year [Space] IT Industrial Technology IT Information Technology ITC Inter-Task Communication ITS Incompatible Timesharing System ITT International Telephone and Telegraph ITU International Telecommunications Union ITUSA IT Users Standards Association IUE International Ultraviolet Explorer [Space] IUS Inertial Upper Stage IUS Inertial Upper Stage [Space] IUV Interlibrational Utility Vehicle [Space] IXC Inter-eXchange Carrier [Telephony] (see also IC, IEC) IXI International (pan-European) X.25 Infrastructure JACM Journal of the Association for Computing Machinery JANET Joint Academic Network (UK) JBS John Birch Society JC Jesus Christ JC Joint Compound (plumbing) JC Julius Caesar JC Junior College JCA Jewelry Crafts Association JCAC Joint Civil Affairs Committee JCAE Joint Committee on Atomic Energy JCEE Joint Council on Economic Education JCET Joint Council on Educational Television JCS Joint Chiefs of Staff JD Justice Department JDS John Dewey Society JEM Japanese Experiment Module (for SSF) [Space] JES John Ericsson Society JET Joint European Torus (fusion research) JFK John F. Kennedy JFK John F. Kennedy (international airport) JFMIP Joint Financial Management Improvement Program JGR Journal of Geophysical Research JGR Journal of Geophysical Research [Space] JI Justice, Inc. JIC Joint Intelligence Center JIC Just in Case JILA Joint Institute for Laboratory Astrophysics [Space] JIM Job Information Memorandum JINTACCS Joint INteroperability of TActical Command and Control Systems JIS Japan Industrial Standards JISC Japanese Industrial Standards Committee JIT Just In Time JMS John Milton Society JNT Joint Network Team (UK) JO Job Order JO Junior Officer JOVE Jonathan's Own Version of Emacs JOVIAL Jules Own Version of the International Algorithmic Language JPL Jet Propulsion Laboratory JPL Jet Propulsion Laboratory [Space] JRC Junior Red Cross JSC Johnson Space Center JSC Johnson Space Center (NASA) [Space] JSD Jackson System Development JSRC Joint Services Review Committee JTIDS Joint Tactical Information Distribution Systems JV Junior Varsity JvNC John von Neumann (Super Computer) Center JvNCnet John von Neumann (Super Computer) Center network 25 K K9 KAIST KAO KB KC KC KD KD KDCI KERMIT KET KHz KI KIA KIAS Km KO KP KP KPNO KPO KQC K&R KS KSC KSU KTB KTS KTU KWIC KY L1 L2 L3 L4 L5 LA LA LA LADAR LAM LAMA LAN LAN LANL LANL LAPB LAPD LAPD LAR LaRC LASER LAT LATA LAX LB LB LBHS LBL LBS LC LCD LCD 26 Kilo- (metric 1000) canine (K9 corps - army dogs) Korean Advanced Institute of Science and Technology Kuiper Airborne Observatory [Space] KiloByte King's Counsel (QC when queen reigning) Knights of Columbus Kiln Dried Knocked Down Key Display Call Indicator Kl-10 Error-free Reciprocal Micro Interconnect over Tty lines Kentucky Educational Television Kilo HertZ (unit of frequency, 1000 cycles per second) Kiwanis International Killed In Action Knot Indicated Air Speed Kilometers Knock Out [Boxing, Electric] Key Pulse [Telephony] Kitchen Police Kitt Peak National Observatory KeyPunch Operator King's College London Kernighan and Ritchie, the c programming language King's Scholar Kennedy Space Center (NASA) [Space] Key System Unit [Telephony] Cretaceous-Tertiary Boundary (from German) [Space] Key Telephone System [Telephony] Key Telephone Unit [Telephony] Key Word In Context Kentucky Lagrange Point #1 35,000 Miles above moon [Space] Lagrange Point #2 40,000 Miles behind moon [Space] Lagrange Point #3 (?? 35,000 Miles below moon) [Space] Lagrange Point #4 240,000 mile Earth orbit [Space] Lagrange Point #5 240,000 mile Earth orbit [Space] Los Angeles Louisiana Low Altitude LAser Detection And Ranging Master of Liberal Arts Local Automatic Message Accounting [Telephony] Local Apparent Noon Local Area Network Los Alamos National Laboratory [Space] Los Alamos (NM) National Laboratory Link Access Procedure (Balanced) Link Access Procedure (??) Los Angeles (CA, US) Police Department Local Acquisition Radar Langley Research Center (NASA) [Space] Light Amplification by Stimulated Emission of Radiation Local Apparent Time Local Access and Transport Area [Telephony] Los Angeles International Airport Light Bomber pound (LiBra) Long Beach High School Lawrence Berkeley (Calif.) Labs Pounds inductor-Capacitor circuit (as in filters, L is symbol inductance) Liquid Crystal Display Lowest Common Denominator LCDR LCL LCL LCM LCM LCS LCT LD LDC LDEF LDF LDL LDX LEAP LEC LED LEM LEO LEP LeRC LEST LF LFSA LGA LGM LH LH LH LH LHC LHD LHS LI LIFIA LIFO LINC LISA LISP LIU LL LL LLB LLD LLN LLNL LLO LLOX LLP LM LM LMC LMC LMOS LN2 LNG LOA LOFT LOOPS LOP LOSF LOTS LOX LOX LP 27 Lieutenant Commander Less than Carload Lot [Railroading] Lunar Cargo Lander [NASA OEXP] Least Common Multiple Life Cycle Management Laboratory for Computer Science (of MIT) Landing Craft Tanks Long Distance [Telephony] Long Distance Carrier [Telephony] Long Duration Exposure Facility [Space, NASA] Large Deployable Reflector [Space] Low Density Lipoprotein Long Distance eXtender [Telephony] Low-power Enhanced At Portable Local Exchange Carrier [Telephony] Light Emitting Diode Lunar Excursion Module (a.k.a. LM) (Apollo spacecraft) [Space] Low Earth Orbit [Space] Large Electron-Positron collider [CERN] Lewis Research Center (NASA) [Space] Large Earth-based Solar Telescope [Space] Low Frequency (30-300KHz) List of Frequently Seen Acronyms (!) [Space] Low Gain Antenna [Space] Little Green Men [Space] Left Hand Liquid Hydrogen (also LH2 or LHX) [Space] Lower Half Luteinizing Hormone (same as ISCH) Large Hadron Collider [CERN] Litterarum Humaniorum Doctor (doctor of human letters) Left Hand Side Long Island Laboratoire d'Informatique Fondamentale et d'Intelligence Artificielle Last In First Out (see FIFO) Laboratory INstrument Computer Large Installation Systems Administration (USENIX specific?) LISt Processing Language Line Interface Unit Late Latin Long Lines [Telephony] Legum Baccalaureus (bachelor of laws) Legum doctor (doctor of laws) Line Link Network [Telephony] Lawrence Livermore National Laboratories Low Lunar Orbit [Space] Lunar Liquid Oxygen [Space] Line Link Pulsing [Telephony] Life Master (Contract Bridge ranking) Lunar Module (a.k.a. LEM) (Apollo spacecraft) [Space] Large Magellanic Cloud (see SMC) Large Magellanic Cloud [Space] Line Maintenance Operations System [Telephony, AT&T] Liquid N2 (Nitrogen) [Space] Liquified Natural Gas Lands of Adventure Launch Operations Flight Test [Space] Lisp Object Oriented Programming System Lines Of Position Lunar Orbit Staging Facility [Space] Low Overhead Timesharing System Liquid Oxygen Liquid OXygen [Space] Long Play(ing) (record) LP LPC LPDA LPF LPG LPG LPL LPN LPP LPR LPT LPV LRB LRBM LRC LRU LRU LRV LS LS LS LSAP LSB LSB LSC LSC LSD LSD LSD LSI LSP LSR LSS LSS LSSD LT LT LTC LTJG LTL LTP LUG LUT LWM LWT LZ M m m M MA MAAP MAC MAC MAC MAC MACSYMA MAD MADD MAG MAN MAP MAP/TOP MARBI 28 Low Pressure Linear Predictive Coding (speech processing) Link Problem Determination Aid League for Programming Freedom Liquefied Petroleum Gas Low Pressure Gas Lunar Personnel Lander [NASA OEXP] Licensed Practical Nurse Licensed Program Products Line PrinteR Lunar Propellant Tanker [NASA OEXP] Lunar Piloted Vehicle [NASA OEXP] Liquid Rocket Booster [Space] Long Range Ballistic Missile Longitudinal Redundancy Character Least Recently Used Line Replaceable Unit Light Rail Vehicle [Railroading] Left Side Letter Signed Locus Sigilli (place of seal) Logical(?, maybe Link) Service Access Point [OSI, Networking] Least Significant Bit; Least Significant Byte Lower Side Band Lecture Series Committee (of MIT) LightSpeed C Least Significant Digit LySergic acid Diethylamide pounds (Libra), shillings (Sestertii), and (old) pence (Denarii) Large Scale Integration LightSpeed Pascal Local Standard of Rest [Space] Life Support System Loop Switching System Level-Sensitive Scan Detection Long Ton Low Tension Lieutenant Colonel Lieutenant Junior Grade Less than Truckload Lot Lunar Transient Phenomenon [Space] Local Users Group Look-Up Table Low-Water Mark London Weekend Television [Corporate name] Landing Zone Mega- (metric 10^6) meter(s) milli- (metric 1/1000) Miniatures Massachusetts [US state postal designation] Maintenance And Administration Panel an MIT interdepartmental lab (stands for many things) (renamed to LCS) Media Access Control Medium Access Control Military Air Command project MAC's SYmbolic MAnipulation System Mutual Assured Destruction Mothers Against Drunk Driving Magazine Metropolitan Area Network Manufacturing Automation Protocol Manufacturing Automation Protocol/Technical Office Protocol MAchine Readable form of Bibliographic Information MARC MAchine Readable card Catalog MARS Multiuser Archival and Retrieval System MASC Multiple Award Schedule Contract MASER Microwave Amplification by Stimulated Emission of Radiation MASH Mobile Army Surgical Hospital MAST Multi-Application SOnar Trainer MAT-CALS Marine Air Traffic-Control And Landing System MAU Math Acceleration Unit MAU Media Access Unit MAU Medium Access Unit MB Manned Base [Space] MB MegaByte MBA Master Business Administration MBTA Massachusetts Bay Transportation Authority MC Master of Ceremonies MCA Micro Channel Architecture MCAE Mechanical Computer Aided Engineering MCC Master Control Console MCC Microelectronics and Computer technology Corporation MCC Mission Control Center [Space] MCP Master Control Program MCP/AS Master Control Program/Advanced System MCPO Master Chief Petty Officer MCSV Mars Crew Sortie Vehicle [NASA OEXP] MD Doctor of Medicine MD Maryland MD Maryland [US state postal designation] MD Medical Doctor MD Months after Date MDAS Magnetic Drum Auxiliary Sender MDC Metropolitan District Commision (Mass State Agency) MDE Modular Design Environment MDF Main Distribution Frame [Telephony] MDRE Mass Driver Reaction Engine [Space] MDT Mean Down Time ME Maine ME Mechanical Engineer MECO Main Engine CutOff [Space, Shuttle] MEd Master of EDucation MERP Middle-Earth Role Playing MeV Million Electron Volts MF Medium Frequency (300-3000KHz) MF Middle French MF Multi-Frequency [Telephony] MFA Master Fine Arts MFA Museum of Fine Arts [Boston] MFJ Modified Final Judgment [Telephony] MFLOPS Million FLoating-point OPerations per Second (see also FLOPS) MFM Modified Frequency Modulation MFS Macintosh File System MG Machine Gun MG Major General MG Military Government MGH Massachusetts General Hospital MGM Metro-Goldwyn Mayer [Corporate name] MHD MagnetoHydroDynamics MHS Mail Handling System [ISO] MHz Mega HertZ (unit of frequency, 1,000,000 cycles per second) MI Michigan MI Military Intelligence MIA Missing In Action MIB Management Information Base MIDI Musical Instrument Digital Interface MIFASS Marine Integrated Fire And Support System 29 MILNET MIM MIMD MINCE MINE MIPS Mir MIRV MIS MIT ML mL MLA MLD MLL MLS MLS MLV MM mm MMES MMFS MMH MMM MMT MMU MMU MMW MN MNA MNP MNRAS MO MO MO MO MO MOC MOD MOL MOLA MOMA MOMV MOR MOS MOSFET MOTAS MOTIS MOTIS MOTOS MOTSS MOTV MOU MOUSE MP MP MP MP MPC MPE MPG MPH MPP MPR 30 MILitary NETwork Morality In Media Multiple Instruction, Multiple Data MINCE Is Not Complete Emacs MINE Is Not Emacs (but it is mine) Million Instructions Per Second Peace [Russian] Multiple Independently-Targetable Reentry Vehicle Management Information System Massachusetts Institute of Technology Middle Latin milliliter(s) Member of Legislative Assembly (see MPP) Minimum Lethal Dose Mars Logistics Lander [NASA OEXP] Microwave Landing System Multi-Level Security Medium Lift Vehicle [NASA OEXP] Maryknoll Missioners millimeters Martin Marietta Energy Systems Manufacturing Message Format Standard MonoMethyl Hydrazine [Space] see 3M Multiple Mirror Telescope [Space] Manned Maneuvering Unit [Space] Memory Management Unit Multi-Mega Watt [Space] Minnesota Member of National Assembly (Quebec) Microcom Networking Protocol [Corporate name] Monthly Notices of the Royal Astronomical Society [Space] Mail Order Medical Officer Missouri Modus Operandi Money Order Mars Observer Camera (on Mars Observer) [Space] Ministry of Defence (UK) (sometimes written MoD) Manned Orbiting Laboratory [Space] Mars Observer Laser Altimeter (on Mars Observer) [Space] Museum of Modern Art [New York] Manned Orbital Maneuvering Vehicle [Space] Middle-Of-the-Road Metal Oxide Semiconductor Metal Oxide Semiconductor Field Effect Transistor Member Of The Appropriate Sex Member Of The Inappropriate Sex Message-Oriented Text Interchange System Member of the Opposite Sex Member of the Same Sex Manned Orbital Transfer Vehicle [Space] Memorandum Of Understanding Minimum Orbital Unmanned Satellite of Earth Melting Point Member of Parliament Metropolitan Police Military Police(man) Minor Planets Circular [Space] Mission to Planet Earth [Space] Miles Per Gallon Miles Per Hour Member of Provincial Parliament (Canada; also MLA) Mars Pressurized Rover [Space] MPV Mars Piloted Vehicle [NASA OEXP] MPW Macintosh Programmer's Workshop MR Miniatures Rules MRI Magnetic Resonance Imaging MRP Manufacturing Requirements Planning MRSR Mars Rover and Sample Return [Space] MRSRM Mars Rover and Sample Return Mission [Space] MS ManuScript MS Master of Science MS Military Science MS Motor Ship MS Multiple Sclerosis MSB Most Significant Bit; Most Significant Byte MSC MicroSoft C MSCP Mass Storage Control Protocol MSD Most Significant Digit MS-DOS MicroSoft DOS MSE Mobile Subscriber Equipment MSFC (George C.) Marshall Space Flight Center (NASA) [Space] MSFC Marshall Space Flight Center MSG MonoSodium Glutamate MSH Marvel Super Heroes MSL Mean Sea Level MSPCA Massachussetts Society for the Prevention of Cruelty to Animals MSPE Mercenaries, Spies & Private Eyes MSRP Manufacturer's Suggested Retail Price MSS Management Support System MSS ManuScriptS MSS Mass Storage System MSS Maximum Segment Size [TCP/IP] (see also MTU) MST Mountain Standard Time MT Metric Ton MT Mountain Time MTA Message Transfer Agent MTA Metropolitan Transportation Authority MTBF Mean Time Between Failures MTC Man Tended Capability [Space] MTR Magnetic Tape Recording MTSO Mobile Telephone Switching Office [Telephony] MTTF Mean Time To Failure MTTR Mean Time To Recovery MTTR Mean Time To Repair MTU Maximum Transfer Unit [Networking] (see also MSS) MTV Music TeleVision MUF Maximum Usable Frequency (max freq during sunspot activity) MULTICS MULTiplex Information Computer Services MUMPS Mgh Utility MultiProgram System MUNG Mung Until No Good (see the hacker's dictionary) MUX MUltipleXor MVA MegaVolt Ampere MVS Multiple Virtual Storage [IBM] MX Missile eXperimental N North N Notice NA Narcotics Anonymous NA North America NA Not Applicable NAACP National Association for the Advancement of Colored People NAAS North American Automated Systems co. NAB National Association of Broadcasters NABISCO NAtional BIScuit COmpany [Corporate name] NACCIRN North American Coordinating Committee for Intercontinental Research Networking (see also CCIRN) NACS National Advisory Committee on Semiconductors 31 NAD NADGE NAG NAGE NAK NAM NAM NAM NANP NAPAP NAR NARDAC NAS NAS NASA NASDA NASM NASP NATO NAVDAC NAVSWC NB NB NBA NBC NBFM NBO NBS NBVM NC NC NC NCA NCC NCC NCDC NCE NCGA NCI NCIC NCO NCP NCR NCS NCSA NCSC NCTL NCV ND ND NDA NDDL NDE NDEA NDL NDP NDSL NDSL NDT NDV NDV NE NE NEAR 32 Network Access Device NATO Air Defense Ground Environment Numerical Algorithms Group National Association of Government Employees Negative AcKnowledge Name and Address Module [Telephony] (cellular phone changeable ROM) National Account Manager [Telephony, AT&T] Number Assignment Module [Telephony] (cellular phone changeable ROM) North American Numbering Plan National Acid Precipitation Assessment Program Nuclear Acoustic Resonance NAvy Regional Data Automation Center National Academy of Sciences National Advanced Systems National (US) Aeronautics and Space Administration [Space] NAtional (Japan) Space Development Agency [Space] National (US) Air and Space Museum [Space] National (US) AeroSpace Plane [Space] North Atlantic Treaty Organization NAVal Data Automation Command NAVal Surface Weapons Center New Brunswick Nota Bene National (US) Basketball Association National (US) Broadcasting Company [Corporate name] NarrowBand Frequency Modulation Network Build Out National Bureau of Standards (renamed NIST) [US Government] Narrow Band Voice Modulation No Charge No Connection North Carolina Network Control Analysis National (US) Computer Conference National (US) Council of Churches National (US) Climatic Data Center New Catholic Edition National (US) Computer Graphics Association National (US) Cancer Institute [US Government] National (US) Cartographic Information Center Non-Commissioned Officer Network Control Program National (US?) Cash Register [Corporate name] Network Computing System National (US) Center for Supercomputing Applications National (US) Computer Security Center [NSA] National Computer and Telecommunications Laboratory No Commercial Value No Date North Dakota Non-Disclosure Agreement Neutral Data Definition Language News Development Environment National (US) Defense Education Act Network Database Language New Democratic Party (Canada) National (US) Defense Student Loan National (US) Direct Student Loan Newfoundland Daylight Time NASP Derived Vehicle NASP Derived Vehicle [Space] New England North East National Electronic Accounting and Reporting system NEARnet New England Academic and Research Network NEB New English Bible NEC Nippon Electric Company [Corporate name] NEI Not Elsewhere Included NES National Energy Strategy NES Not Elsewhere Specified NESC National Energy Software Center NET National (US) Educational Television NET NETwork NET New England Telephone NEWS Network extensible Window System NEXRAD NEXt generation weather RADar NF No Funds NFC National (US) Football Conference NFFE National (US) Federation of Federal Employees NFL National (US) Football League NFS Network File System NG National Guard NG No Good NGC New General Catalog [Space] NH New Hampshire NHI National Health Insurance NHL National (Canada) Hockey League NHLBI National Heart, Lung, and Blood Institute (Bethesda, MD) NIC Network Information Center ("The NIC" is NIC.DDN.MIL) NICMOS Near Infrared Camera / Multi Object Spectrometer (HST upgrade) [Space] NIFTP (a file transfer network in the UK) NIH National (US) Institutes of Health NIH Not Invented Here NIM Nuclear Instrumentation Module (an electronic instr. standard) NIMH National Institute of Mental Health (Rockville, MD) NIMS Near-Infrared Mapping Spectrometer (on Galileo) [Space] NIR Near InfraRed [Space] NIS Network Information System (formerly yp) NISO National Information Standards Organization NIST National Institute of Standards and Technology (formerly NBS) [US Government] NJ New Jersey NJB New Jersey Bell [Telephony] NL National League (baseball) NLM National Library of Medicine NLP Natural Language Processing NLRB National Labor Relations Board NLS Network License Server NM Nautical Mile NM New Mexico NM Night Message NM No Mark; Not Marked NMOS N channel Metal Oxide Semiconductor (N-MOS) (see MOS) NMR Nuclear Magnetic Resonance NMS Network Monitoring Station NNE North North East NNTP Net News Transfer Protocol NNW North North West NNX NANP syntax for a three-digit string, N:{2-9}, X:{0-9} [Telephony] NOA NSWC Office Automation NOAA National Oceanic and Atmospheric Administration [Space, US Government] NOAO National (Tucson, AZ, US) Optical Astronomical Observatories [Space] NOC Network Operations Center NORAD NORth American Defense Command NORM Naturally Occuring Radioactive Material NORML National Organization for the Reform of Marijuana Laws NOS Not Otherwise Specified NOSC Naval Ocean Systems Center 33 NOTIS NOW NOx NP NP NP NP NPA NPC NPL NPL NPN NPN NPR NPR NQS NRA NRA NRAO NRC NRC NRE NREN NRL NRO NRO NRZ NRZI NS NS NS NS NSA NSAP NSC NSE NSF NSS NSSDC NST NSTS NSW NSWC NSWC NT NT NT NTEU NTIS NTN NTP NTP NTSB NTSC NTSC NTT NTT NU NURBS NUSC NV NW NWNET NWS 34 Network Operator Trouble Information System Negotiable Order for Withdrawal [Banking] (Is this MA or NE specific?) Nitrogen Oxides No Protest Nondeterministic-Polynomial Notary Public Noun Phrase Numbering Plan Area (area code) [Telephony] Non-Player Character (see PC) [Role-playing] National Physical Laboratory (UK) Non-Procedural Language Negative-Positive-Negative (transistor) NonProtein Nitrogen National Public Radio non-Processor Request [PDP11, UNIBUS] Network Queuing System National Reconstruction Act (FDR era US) National Rifle Association National Radio Astronomical Observatory [Space] National Research Council Nuclear Regulatory Commission Non-Recurring Engineering (as in NRE costs) National (US) Research and Education Network Naval Research Labs National Reconnaissance Office National Reconnaissance Organization [Space] Non-Return to Zero Non-Return to Zero Inverted (magnetic tape, 800 bpi) Neutron Star [Space] Not Specified Nova Scotia Nuclear Ship National Security Agency [US Government] Network Service Access Point [OSI, Networking] National (US) Security Council [US Government] Network Software Environment National (US) Science Foundation [US Government] Nodal Switching System [NSFnet] National Space Science Data Center [Space] Newfoundland Standard Time National Space Transportation System [Space] New South Wales (Australia) Naval Surface Warfare Center Naval Surface Weapons Center New Testament Newfoundland Time Northern Territory National Treasury Employees Union National Technical Information Service Neutralized Twisted Nematic Network Time Protocol [Internet] Normal Temperature and Pressure (see STP) National Transportation Safety Board [US Government] National Television Standards Committee Never Twice Same Color New Technology Telescope [Space] Nippon Telephone & Telegraph Name Unknown NonUniform Rational B-Spline Naval Underwater Systems Center [US Government] Nevada North West NorthWestNet National Weather Service NWT North West Territories (Australia) NXX NANP syntax for a three-digit string, N:{2-9}, X:{0-9} [Telephony] NY New York NYC New York City NYNEX New York and New England (Telephone) NYPD New York Police Department NYSE New York Stock Exchange NYSERNet New York State Educational and Research Network NZ New Zealand NZUSUGI New Zealand Unix System User Group, Inc. OA Office Automation OA Overeaters Anonymous OAO Orbiting Astronomical Observatory [Space] OAS Organization of American States OATS Office Automation Technology and Services OBE Order of the British Empire OBS Omni Bearing Selector OC Order of Canada OCDM Office of Civil Defense and Mobilization OCI Out of City Indicator OCLC Online Computer Library Center, Inc. OCLC Online Computer Library Center (Ohio College Library Catalog) OCO Object Code Only OCR Optical Character Recognition OCS Officer Candidate School OCST Office of Commercial Space Transportation [Space] OD Doctor of Optometry OD Oculus Dexter (right eye) OD Officer of the Day OD OverDose ODI Optical Digital Image ODISS Optical Digital Image Storage System ODT Octal Debugging Technique ODT Online Debugging Technique OE Old English OED Oxford English Dictionary OEM Original Equipment Manufacturer OEO Office of Economic Opportunity OES Order of the Eastern Star OEXP Office of Exploration [NASA] OF Old French OFM Order of Friars Minor OFS Order of Free State OG Original Gum OH Ohio OIRA Office of Information and Regulatory Affairs OIU Office Interface Unit OJT On the Job Training OLTP On-Line Transaction Processing OMB Office of Management and Budget [US Government] OMD Orchestral Manouevers in the Dark OMS Orbital Maneuvering System [Space] OMV Orbital Maneuvering Vehicle [Space] ON Old Norse ONC Open Network Computing ONI Office of Naval Intelligence ONI Operator Number Identification [Telephony] ONR Office of Naval Research OOP Object Oriented Programming OOPART Out Of Place ARTifact OOPS Object-Oriented Programming System OP Observation Post OP OFFICEPOWER office automation system, trademark of CCI OP Order of Preachers 35 OP OPEC OPF OPM OPUS OR OR OR ORFEUS [Space] ORNL OROM OS OS OS OS OSB OSC OSCAR OSCAR OSCAR OSCRL OSD OSDIT OSF OSF OSF OSHA OSI OSI OSI/RM OSME OSP OSPFIGP OSS OSS OSS OSSA OSSE OSTP OSTP OT OT OTA OTA OTA OTB OTC OTF OTH-B OT&LF OTR OTS OTV OUTWATS OV OV PA PA PA PA PA PA PA 36 Out of Print Organization of Petroleum Exporting Countries Orbiter Processing Facility [Space] Office of Personnel Management Obvious Password Utility System (Eugene Spafford <[email protected]>) Operating Room Oregon Owner's Risk, Own Risk Orbiting and Retrievable Far and Extreme Ultraviolet Spectrometer Oak Ridge National Laboratory Optical Read Only Memory Oculus Sinister (left eye) Operating System Ordinary Seaman Out of Stock Order of St. Benedict Orbital Sciences Corporation [Space] Orbiting Satelite Carry Amateur Radio (1st launched 12 Dec 1961) Orbiting Satellite Carry Amateur Radio (1st launched 12 Dec 1961) Orbiting Satellite Carrying Amateur Radio [Space] Operating System Command Response Language Office of the Secretary of Defense Office of Software Development and Information Technology Open Software Foundation Open Systems Foundation Order of St. Francis Occupational Safety and Health Administration [US Government] Office of Scientific Integrity [NIH] Open Systems Interconnection (per ISO; 7 layer model) Open Systems Interconnection/Reference Model Open Systems Message Exchange Optical Storage Processor Open Shortest-Path First Internal Gateway Protocol [Internet] Office of Strategic Services (later CIA) Office Support System Operation Support System [Telephony, AT&T] Office of Space Science and Applications [Space] Oriented Scintillation Spectrometer Experiment (on GRO) [Space] Office of Science and Technology Policy (White House) Office of Science and Technology Policy [US Government] Old Testament OverTime Office of Technical Assistance Office of Technology Assessment Optical Telescope Assembly (on HST) [Space] Off-Track Betting Over The Counter (stocks) Open Token Foundation Over The Horizon - Backscatter (as in radar) Open Taxi & Limousine Foundation On The Rag Officers' Training School Orbital Transfer Vehicle [Space] OUTward Wide Area Telephone Service [Telephony] Orbital Vehicle [Space] Orbiter Vehicle [Space] Pennsylvania Per Annum Play Aid Power of Attorney Press Agent Private Account Public Address PA PABX PACCOM PACX PAD PAH PAL PAL PAM PAM PARC PASS PATROL PBM PBS PBX PC PC PC PC PC PC PC PC PC PC PC PC/AT PCB PCB PC-DOS PCI PCIE PCL PCM PCM PCPC PCS PCTE PCTS PD PD PD PD PDAD PDE PDES PDF PDL PDL PDN PDP PDP PDP PDQ PDS PDT PE PE PE PE PE PE PEI 37 Purchasing Agent Private Automatic Branch eXchange [Telephony] Pacific Computer Communications network consortium [Networking] Private Automatic Computer eXchange Packet Assembler-Disassembler [Networking] Polycyclic Aromatic Hydrocarbon Phase Alternation Line-rate Programmable Array Logic Payload Assist Module [Space] Pulse Amplification Modulation Palo Alto Research Center, xerox Personal Access Satellite System [NASA] Program for Administrative Traffic Reports On Line Play By Mail game Public Broadcasting System Private Branch eXchange [Telephony] Peace Corps PerCent; PerCentage Personal Computer (IBM wants you to believe a specific kind) Player Character (see NPC) [Role-playing] Post Card Post Cibum (after meals) Privileged Character Privy Council Program Counter Progressive Conservative party [Canada] Providence College Personal Computer/Advanced Technology PolyChlorinated Biphenyl Printed Circuit Board Personal Computer DOS Panel Call Indicator President's Council on Integrity and Efficiency Printer Command Language Plug-Compatible Mainframe Pulse Code Modulation Personal Computers Peripheral Corporation Permanent Change of Station Portable Common Tools Environment Posix Conformance Test Suite Per Diem Police Department Potential Difference Public Domain Proposed Draft ADdendum Partial Differential Equation Product Data Exchange Specifications Program Development Facility Page Description Language Program Design Language Public Data Network Plasma Display Panel Programmed Data Processor Programmed Data Processor [DEC] Pretty Damned Quick Premises Distribution System [AT&T] Pacific Daylight Time Phase Encoded Physical Education Prince Edward island Printer's Error Professional Engineer Protestant Episcopal Prince Edward Island PEP PEPE PERL PERL PEX PFC PG PGA PGA PHA PHIGS PHS PhysRev PI PI PI PIC PIC PIF PIT PIXEL PLA PLATO '70s) PLC PLCC PLL PLM PLO PLO PLSS PM PM PM PM PM PM PM PM PM PM PMC PMIRR PMO PMOS PMS PMT PM/X PN PNP PO PO PO PO POC POD POE POE POGO POM POP POP POPS POR 38 Productivity Enhancement Project Pepe Est Presque Emacs Pathologically Eclectic Rubbish Lister Practical Extraction and Report Language Phigs/phigs+ Extension to X Plasma Fusion Center [MIT] Parental Guidance (suggested) [Movie rating] Professional Graphics Adapter Pure Grain Alcohol Pulse Height Analyzer (or Analysis) Programmers Hierarchical Interactive Graphics System Public Health Service Physical Review Journal - Phys Rev Principal Investigator Priority Interrupt Private Investigator Plastic/Polyethelene Insulated Cable [Telephony] Position Independant Code Paid In Full Principal, Interest, and Taxes PIcture ELement Programmable Logic Array Programmed Learning for Automated Teaching Operations (U. Ill., early Programmable Logic Controller Plastic Leaded Chip Carrier Phase-Locked Loop Programming Language for Microcomputers Palestine (sic?) Liberation Organization (?) Please Leave On Portable Life Support System [Space] PayMaster Police Magistrate Post Meridiem Post Meridiem (after noon) PostMaster PostMortem Pressurized Module [Space] Preventive Maintenance Prime Minister Provost Marshal Permanently Manned Capability [Space] Pressure Modulated InfraRed Radiometer (on Mars Observer) [Space] Prime Minister's Office P channel Metal Oxide Semiconductor (P-MOS) (see MOS) PreMenstrual Syndrome PhotoMultiplier Tube Presentation Manager for X windows Promissory Note Positive-Negative-Positive (transistor) Petty Officer Post Office Postal Order Purchase Order Port Of Call Pay On Delivery Port Of Embarkation Port Of Entry Polar Orbiting Geophysical Observatory Phase Of Moon Point of Presence [Telephony] Post Office Protocol [Networking] (esp. TCP/IP) Paperless Order Processing System Price On Request POS POS POSI POSIX POSIX POTS POTV POV POW PP PP PP PP PPB PPC PPCS PPM PPN PPN PPP pps PPS PPT PPT PPT PQ PR PR PR PRC PREPnet PRI PRN PROFS PROM PS PS PS PS PS PS PS PSA PSC PSC PSDN PSDS PSE PSF PSG PSI PSI PSK PSL PSN PSR PSR PSS PST PSTN PT PT PT PT 39 Point Of Sale Professional Operating System [DEC] Promoting conference for OSI Portable Operating System for unIX Portable Operating System Interface Plain Old Telephone Service [Telephony] Personnel Orbit Transfer Vehicle [Space] Point Of View Prisoner Of War Parcel Post Past Participle Post Pay (payphone) [Telephony] Primary Point Parts Per Billion Pour Prendre Conge' (to take leave) Person to Person, Collect, Special [Telephony] Parts Per Million Parameterized Post-Newtonian formalism for general relativity Project Programmer Number Point-to-Point Protocol (successor to SLIP (q.v.)) Packets per Second PostPostScriptum Parts Per Trillion Pulse Pair Timing Punched Paper Tape Province of Quebec PayRoll Public Relations Puerto Rico Planning Research Corporation Pennsylvania Research & Economic Partnership Network Primary Rate Interface (ISDN) [Telephony] pro re nata [Medicine] (as needed?) PRofessional OFfice System [IBM] Programmable Read-Only Memory PicoSecond PostScript PostScriptum Power Steering Power Supply Proposed Standard Public School Problem Statement Analyzer Pittsburgh Supercomputer Center Polar Stratospheric Clouds Public Switched Data Network [Telephony] Public Switched Digital Service [Telephony, AT&T] Programming Support Environment Point Spread Function [Space] Platoon SerGeant Performance Systems International [Corporate name, Networking] Power Systems, Incorporated [Corporate name, Model Railroading] Phase Shift Keying Problem Statement Language Packet Switch Node [ARPANET/MILNET] (replaced IMP) Product Specific Realizations PulSaR [Space] (unknown to me, but something in the UK environment) Pacific Standard Time Public Switched Telephone Network Pacific Time Patrol Torpedo (as in PT boat) Physical Therapy Physical Training PTA Parent-Teacher Association PTD Parallel Transfer Disk PTL Praise The Lord (ministry) PTN Plant Test Number [Telephony] (actual number assigned for 800 service) PTO Patent and Trademark Office PTO Please Turn Over PTO Power Take-Off PTT Post, Telephone and Telegraph administration PTV Passenger Transport Vehicle [Space] PUC Public Utilities Commision PV Photovoltaic [Space] PVC Permanent Virtual Circuit (see also VC) PVC Poly-Vinyl Chloride PVO Pioneer Venus Orbiter [Space] PW Prisoner of War (usually POW) PWG Permanent Working Group PX Post eXchange (see BX) QAM Quadrature Amplitude Modulation QC Quality Control QC Queen's Counsel (KC when queen reigning) QD Quaque Die (daily) [Medicine] QDA Quantity Discount Agreement QED Quod Erat Demonstrandum (which was to be demonstrated) [Latin] QEF Quod Erat Faciendum (which was to be done) [Latin] QEI Quod Erat Inveniendum (which was to be found out) [Latin] QET Quantum Effect Transistor QIC Quarter-Inch Cartridge QID Quater In Die (four times a day) [Medicine] QLI Query Language Interpreter QM QuarterMaster QMC QuarterMaster Corps QMF Query Management Facility QMG QuarterMaster General QMS Quality Micro Systems [Corporate name] QNS Quantity Not Sufficient QSO Quasi-Stellar Object [Space] q.v. ???? (Latin(?): which see) QWERTY first six keys from left on top alphabetic row of standard keyboard R Restricted [Movie rating] R Rolemaster RA Regular Army RA Research Assistant RA Royal Academy RAAF Royal Australian Air Force RACE Random Access Card Equipment RACEP Random Access and Correlation for Extended Performance RAD Radiation Absorbed Dose RAD Rapid Access Disk RADAR RAdio Detection And Ranging RADM Rear ADMiral RAF Royal Air Force RAM Random Access Memory (R/W) RAM Red Academicia de Mexico (Mexican Academic Network) RARDE Royal Armaments Research and Development Establishment RARE R\'eseaux Associ\'es pour la Recherche Europ\'eenne (the European Organization of Research Networks) RAS Reliability, Availability, and Serviceability RASC Residence Account Service Center RATS Radio Amateur Telecommunications Society R&B Rhythm and Blues (commonly R and B) RBC Red Blood Count RBI Runs Batted In RBOC Regional Bell Operating Company RC Red Cross 40 RC RC RC RCA RCAF RCAS RCC RCMP RCS R&D RD RDA RDBMS RDF REA RECON REM REO REO RETMA (????) REXX RF RF RFC RFD RFD RFI RFI RFP RFQ RFS RGB RGP RH RHC RHS RI RIACS RIACS RIAS RIF RIF RILM RIP RIP RIPE RISC RITA RJE RLC RLG RLIN RLL RMA RMA RMATS RMS RMS RMS RMS RN RN RNA 41 Regional Center Resistor-Capacitor circuit (as in filters) Roman Catholic Radio Corporation of America [Corporate name] Royal Canadian Air Force Reserve Component Automation System Radio Common Carrier Royal Canadian Mounted Police Reaction Control System [Space] Research and Development (commonly R and D) Rural Delivery Remote Data Access Relational DataBase Management System Radio Direction Finding Rail Express Agency Reconnaissance Rapid Eye Movement R. E. Olds Removable, Erasable, Optical Radio {something(equipment?)?} {something?} Manufacturers' Association Restructured EXtended eXecutor Radio Frequency Radio Frequency [Space] Request For Comments (ala ARPA Internet) Rehoboth (MA) Fire Department Rural Free Delivery Radio Frequency Interference Radio Frequency Interference [Space] Request for Proposal Request for Quote Remote File System Red Green Blue Raster Graphics Processor Right Hand Regional (Bell) Holding Company Right Hand Side Rhode Island Research Institute for Advanced Computer Science (NASA) Research Institute for Advanced Computer Science [Space] Radio In the American Sector, berlin Reading Is Fundamental Reduction In Force Repertoire International de Literature Musicale Rest In Peace (or Requiescat In Pace : latin) Routing Interchange Protocol R\'eseaux IP Europ\'eenne (European IP Networks) (of RARE, q.v.) Reduced Instruction Set Computer Recognition of Information Technology Achievement award Remote Job Entry Resistor Inductor Capacitor Research Libraries Group Research Libraries Information Network (run by RLG (q.v.)) Run Length Limited Radio Manufacturers' Association Return Materials Authorization Remote Maintenance Administration and Traffic System [Telephony] Remote Manipulator System [Space] Richard M. Stallman Root Mean Square Royal Mail Ship Registered Nurse Royal Navy RiboNucleic Acid RNGC RNZAF ROFF ROG ROM ROM ROM ROSAT ROSE ROSE ROTC ROTS ROYGBIV RPC RPG RPG RPI RPM RPN RPO RPS RPV RQ RR RR RR RRO RS RS RS RS RS RSCS RSFSR RSN RSU RSV RSVP RSWC RT RT RTA RTAC RTF RTFM RTFM RTG RTG RTLS RTR RTR RTS RTTY RU RVD RW RW RX Ry S S SA SA SA 42 Revised New General Catalog [Space] Royal New Zealand Air Force Run-OFF Receipt Of Goods Range Of Motion [Medicine] Read-Only Memory Rupture Of Membrane (as in birth) ROentgen SATellite [Space] RATS (q.v.) Open Systems Environment Remote Operations Service Entity (per ISO/CCITT layer 7) Reserve Officers' Training Corps Rotary Out Trunks Selectors Red, Orange, Yellow, Green, Blue, Indigo, Violet Remote Procedure Call RePort Generator Role Playing Game Rensselaer Polytechnic Institute Revolutions Per Minute Reverse Polish Notation Railway Post Office Revolutions Per Second Remotely Piloted Vehicle RuneQuest RailRoad Route Relay Rural Route Rate and Route Operator [Telephony] Recommended Standard (EIA) Recording Secretary Revised Status Right Side Royal Society Remote Spooling Communications Subsystem Russian Soviet Federated Socialist Republic Real Soon Now Remote Switching Unit Revised Standard Edition Repondez S'il Vous Plait (please reply) Right Side up With Care RadioTelephone RealTime Remote Trunk Arrangement [Telephony] Regional Technical Assistance Center [Telephony] Rich Text Format Read The @!# Manual Read The F***ing Manual Radioisotope Thermoelectric Generator Radioisotope Thermoelectric Generator [Space] Return To Launch Site (Shuttle abort mode) [NASA, Shuttle, Space] Ready to Run [Model Railroading] Reel-To-Reel Request To Send (EIA RS-232-C) Radio Teletype Receive Unit Remote Virtual Disk [MIT] Right Worshipful Right Worthy Receive Railway South Supplement Salvation Army Seaman Apprentice Service Assistant SA Sex Appeal SA Sine Anno (without date) SA South Africa SA South America SA Subject to Approval SAA South Atlantic Anomaly SAA South Atlantic Anomaly [Space] SAA Systems Application Architecture SAC Special Area Code [Telephony] (represent services, not places) SAC Strategic Air Command (see TAC) SAC Strategic Air Command [US military] SADD Students Against Drunk Driving SAFENET Survivable Adaptable Fiberoptic Embedded Network [US Navy] SAM Surface to Air Missile SAM Surface-to-Air Missile SAMA Step-by-step Automatic Message Accounting [Telephony] SAMPEX Solar Anomalous and Magnetospheric Particle EXplorer [Space] SAMTO Space And Missile Test Organization [Space] SAO Smithsonian Astrophysical Observatory [Space] SAP Second Audio Program SAP Service Access Point [OSI, Networking] SAR Search And Rescue SAR Synthetic Aperture Radar SARA Satellite pour Astronomie Radio Amateur [Space] SARA Stichting Academisch Rekencentrum Amsterdam (Amsterdam Universities Computing Center) SAREX Search and Rescue Exercise [Space] SAREX Shuttle Amateur Radio Experiment [Space] SARTS Switched Access Remote Test System SAS Small Astronomy Satellite SAS Space Activity Suit [Space] SASE Self-Addressed Stamped Envelope SASI Shugart Associates Systems Interface SAT Satellite [Space] SAW Surface Acoustic Wave SBA Small Business Administration SC Secondary Channel SC Sectional Center S&C Skull & Crossbones SC South Carolina S/C SpaceCraft [Space] SC SubCommittee SCA Shuttle Carrier Aircraft [Space] SCAD Subsonic Cruise Armed Decoy SCADC Standard Central Air Data Computer SCAME SCreen oriented Anti-Misery Editor SCAMP Single-Chip A-series Mainframe Processor SCAN Switched Circuit Automatic Network SCC Specialized Common Carriers SCC Switching Control Center SCCS Source Code Control System SCE Signal Conversion Equipment SCE Structure Chart Editor SCI SpaceCraft Incorporated SCIFI SCIence FIction (often used pejoratively of what really isn't) SCO Santa Cruz Operation SCOOPS SCheme Object Oriented Programming System SCOTS Surveilance and Control Of Transmission Systems SCSI Small Computer Systems Interface SCT Schmidt-Cassegrain Telescope [Space] SCUBA Self Contained Underwater Breathing Apparatus SCUD Subsonic Cruise Unarmed Decoy SD South Dakota SDB Source(?) DeBugger 43 SDI SDI SDIO SDLC SDM SDN SDN SDO SDSC SDV SE SE SEATO SEC SECNAV SED SEI SEI SEL SEM SEST SETI SETI SF SF SF SF SFRPG SG SG SGML SHAPE SHAR SHCD SHF SHRPG SI SIAM SID SIG SIGCAT SIMD SIMM SIMM SINE SIPS SIR SIRTF SIRTF SIS SISCOM SITA SJ Skyhook SL SL SL SLA SLA SLAC SLAN SLAR SLAR SLBM 44 Standard Disk Interconnect [DEC] Strategic Defense Initiative [Space, US Government] Strategic Defense Initiative Organization [Space, US Government] Synchronous Data Link Control [IBM] Sub-rate Data Multiplexer Software Defined Network [Telephony, AT&T] System Development Network (Korea) Staff Duty Officer San Diego Supercomputer Center Shuttle Derived Vehicle [Space] Service Engineer (see also CE, FE) South East SouthEast Asia Treaty Organization Security Exchange Commission SECretary of the NAVy Stream EDitor Software Engineering Institute (Carnegie Mellon) Space Exploration Initiative [Space] Software Engineering Laboratory Scanning Electron Microscope Swedish-European Submillimeter Telescope [Space] Search for Extra Terrestrial Intelligence [Space] Search for ExtraTerrestrial Intelligence [Space] San Francisco Science Fiction; Speculative Fiction Standard Form Star Frontiers Science Fiction Role Playing Game StarGuard SubGroup Standard Generalized Markup Language Supreme Headquarters Allied Powers Europe SHell ARchiver Sherlock Holmes Consulting Detective Super High Frequency (3-30GHz) Super Hero Role Playing Game Staten Island Society for Industrial and Applied Mathematics Sudden Ionospheric Disturbance [Space] Special Interest Group Special Interest Group for Cd-rom Applications Technology Single Instruction, Multiple Data Single In-line Memory Module System Integrated Memory Module SINE is not EINE Satellite Imagery Processing System Shuttle Imaging Radar [Space] Space (formerly Shuttle) InfraRed Telescope Facility [Space] Space Infrared Telescope Facility [Space] Strategic Information System Satellite Information System COMpany Societe Internationale Telecommunications Aeronautiques Society of Jesus Surface to space "elevator" transportation system [Space] Salvage Loss Space Launch [Space] SpaceLab [Space] Special Libraries Association Synchronous Line Adapter Stanford Linear Accelerator Center Sine Loco, Anno, (vel) Nomine (without place, year, or name) Side Looking Airborne Radar Side-Looking Airborne Radar [Space] Submarine Launched Ballistic Missiles SLC SLC SLDC SLIP SLIP SLP SLS SM SMA SMA SMC SMC SMD SMD SMDR SMDS SME SMEGMA SMERSH SMEX SMILS SMM SMTP SMU SMU SN SN SN SN SNA SNADS SNAFU SNAP SNAP SNCF SNF SNMP SNOBOL SNPA SNR SNR SNR SNU SO SO SO SO SOAP SOFIA SOH SOHIO SOHO SOL SONAR SONET SOP SOS SOS SOS SP SP s.p. SP SP 45 Space Launch Complex [Space] Subscriber Loop Carrier [Telephony] Synchronous Data Link Control Serial Line Internet Protocol Serial Line IP (sometimes SL/IP) (see also PPP) Super Long Play (VHS VCR) Space(lab) Life Sciences [Space] Service Mark Sergeant Major of the Army Spectrum Manufacturers Association Small Magellanic Cloud (see LMC) Small Magellanic Cloud [Space] Storage Module Device (interface standard for disk drives) Surface Mounted Devices Station Message Detail Recording [Telephony] Switched Multi-megabit Data Service [Telephony, Networking] Solar Mesosphere Explorer [Space] Sophisticated Modern Editor with Gloriously Magnificent Abilities Abbr. of Russian phrase meaning "Death to the spies." SMall EXplorers [Space] Sonobuoy Missile Impact Location System Solar Maximum Mission (satellite 1980-1989) [Space] Simple Mail Transfer Protocol Southeastern Massachusetts University Southern Methodist University Science News [Periodical] Serial Number Super Nova SuperNova (e.g., SN1987A) [Space] Systems Network Architecture [IBM] SNA Distribution Services Situation Normal -- All Fouled Up (also more profane versions) Shipboard Non-tactical Automated data Processing program Sub Network Access Protocol [OSI, Networking] Societe National des Chemins de Fer (French National Railways) Server-Natural Format Simple Network Management Protocol [TCP/IP] StriNg Oriented symbOLic Language SubNetwork Point of Attachment Signal to Noise Ratio Signal to Noise Ratio [Space] SuperNova Remnant [Space] Solar Neutrino Units [Space] Seller's Option Significant Other Space Opera Strike Out Symbolic Optimizing Assembler Program Stratospheric Observatory For Infrared Astronomy [Space] Start Of Header, ASCII control character (dec=01,control-A) Standard Oil of oHIO [Corporate name] SOlar Heliospheric Observatory [Space] Short on Landing (or, colloquially, Shit Out of Luck) SOund Detection And Ranging Synchronous Optical Network [Telephony] Standard Operating Procedure Save Our Souls (International standard distress call, Morse ...---...) Silicon On Sapphire Son of Stopgap (editor) [DEC] Shore Patrol Short Play (VHS VCR) sine prole (Latin: without issue) [Genealogy] Southern Pacific [Corporate name, Railroading] Stack Pointer SP Star Patrol SPA Software Publishers Association SPAG Standards Promotion and Applications Group SPAN Space Physics and Analysis Network [NASA] (DECnet) SPAN Space Physics and Analysis Network [Space] SPAR Stock Points Adp Replacement SPARC Scalable Processor ARChitecture SPARC Standards, Planning, And Requirements Committee SPAWAR naval SPAce and WARfare command SPC Software Productivity Consortium SPCA Society for the Prevention of Cruelty to Animals SPCC Society for the Prevention of Cruelty to Children SPDM Special Purpose Dextrous Manipulator [Space] SPEC Systems Performance Evaluation Cooperative SPITBOL SPeedy ImplemenTation of snoBOL SPNI Society for the Protection of Nature in Israel SPOT Systeme Probatoire pour l'Observation de la Terre [Space] SPS Solar Power Satellite [Space] SPUR Systech Pluraxial Unplug Repeater SQE Signal Quality Error (IEEE 802.3, eqv to D/I/X "Collision Presence Test") [Ethernet] SQIID Simultaneous Quad Infrared Imaging Device (at NOAO) SQL Structured Query Language SQUID Superconducting QUantum Interference Device SRAM Short Range Attack Missile SRAM Static RAM SRB Solid (fuel) Rocket Booster [Space] SRG Short and Ring Ground (test) [Telephony] SRI Stanford Research Institute SRM Solid Rocket Motor [Space] SRO Standing Room Only SS7 Signalling System #7 [Telephony] SSA Social Security Administration [US Government] SSB Single Side Band SSC Superconducting Super Collider SSE South-SouthEast SSF Space Station Fred (er, Freedom) [Space] SSF Space Station Freedom [NASA, Space] SSFF Showcase Software Factory of the Future SSG Staff SerGeant SSI Small Scale Integration SSI Solid-State Imager (on Galileo) [Space] SSI Space Services Incorporated [Corporate name, Space] SSI Space Studies Institute [Space] SSI Supplemental Security Income SSME Space Shuttle Main Engine [Space] SSPF Space Station Processing Facility [Space] SSPS Satellite Solar Power Station [Space] SSR Secondary Surveillance Radar SSR Soviet Socialist Republic SSRMS Space Station Remote Manipulator System [Space] SST Spectroscopic Survey Telescope [Space] SST SuperSonic Transport [Space] SSTO Single Stage To Orbit [Space] SSTV Slow Scan TeleVision SSW South-SouthWest ST Short Ton STARS Software Technology for Adaptable, Reliable Systems STD Sacrae Theologiae Doctor (doctor of sacred theology) STD Sexually Transmitted Disease (replaces VD) STD State Transition Diagram STD Subscriber Trunk Dialing (British, and elsewhere; equiv. DDD in USA) STI Standard Tape Interconnect [DEC] STILO Scientific and Technical Intelligence Liaison Office 46 STIS Space Telescope Imaging Spectrometer (to replace FOC and GHRS) [Space] STL St. Louis (airport designation) STN SuperTwisted Nematic STOL Short TakeOff and Landing STP Shielded Twisted Pair [Telecom, Networking] STP Software Through Pictures STP Standard Temperature and Pressure (see NTP) STRPG Star Trek: The Role-Playing Game STS Space Transportation System (space shuttle) [NASA] STScI Space Telescope Science Institute [Space] STV Single Transferable Vote STV Space Transfer Vehicle [Space] SUM Symantec Utilities for Macintosh SUN Stanford University Network SUN SUN MicroSystems Computer (not an Acronym) [Corporate name] SUNOCO SUN Oil COmpany [Corporate name] SUNY State University of New York SURAnet Southeastern Universities Research Association Network SVID System V Interface Definition SW South West SW SuperWorld SWAS Submillimeter Wave Astronomy Satellite [Space] SWBT South Western Bell Telephone [Telephony] SWF ShortWave Fading [Space] SWIFT Society for Worldwide Interbank Financial Communications SWS Scientific Workstation Support SXS Step by Step switching [Telephony] T Traveler T1 1.544Mbps [Telephony], one of the basic signalling systems 24x64Kb T3 45Mbps (eq 28 T1 channels) [Telephony] TA Teaching Assistant TAC Tactical Air Command (see SAC) TAC Terminal Access Controller [ARPANET/MILNET] (replaced TIP) TACACS Terminal Access Controller Access Control System [ARPANET/MILNET] TACCS Tactical Army Combat service support Computer System TAE Transportable Applications Environment TAL Trans-Atlantic Abort Landing [NASA, Shuttle] TAL Transatlantic Abort Landing (Shuttle abort plan) [Space] TANSTAAFL There Ain't No Such Thing As A Free Lunch TAR Tape ARchiver TASI Time Assign{ment,ed} Speech Interpolation [Telephony] TAU Thousand Astronomical Units [Space] TB TuBerculosis TBA To Be Announced TBD To Be Determined TBD To Be Done TC Teachers College TCA Terminal Controlled Airspace TCP Transmission Control Protocol TCP/IP Transmission Control Protocol/Internet Protocol TCS Thermal Control System [Space] TCSEC Trusted Computer System Evaluation Criteria (orange book) TCT To Challenge Tomorrow TD Tardive Dyskinesia TD TouchDown TD Treasury Department TDCC Transportation Data Coordinating Committee TDE Transition Diagram Editor TDI Trusted Database Interpretation TDM Time-Division Multiplexer TDR Time Domain Reflectometer TDRS Tracking and Data Relay Satellite [Space] TDRSS Tracking and Data Relay Satellite System [Space] TDY Temporary DutY 47 TECO TECO TEFLON TES TFP TFS TFT TFT TG TGV TGV THIEF THIEF THOR TI TIA TIA TIC TID TID TIFF TIP TIS TISN TKO TL TLA TLC TLI TM TMA TMAC TMIS TMO TMP TMRC TMRC TN TN TNC TNF TNP TNT TO TO TODS TOMS TOMS TOOIS TOP TOPLAS TOPS TOPSMP TORES TOS TOW TOY TP TP TP4 TPC TPI TPO TPP 48 Tape Editor and COrrector Text Editor and COrrector polyTEtraFLuOrethyleNe Thermal Emission Spectrometer (on Mars Observer) [Space] Tops Filing Protocol Translucent File System The Fantasy Trip Thin Film Transistor Thieves' Guild Tres Grande Vitesse (French, Very High Speed) [Railroading] Two Guys and a VAX (humorous variant) [Corporate name] THief Isn't Even Fine This Here Isn't Even Fine Tandy High-intensity Optical Recording Texas Instruments Thanks In Advance [Net jargon] Transient Ischemic Attack TermInfo Compiler Ter In Die (three times a day) Transaction ID Tag Image File Format Terminal Interface Processor [ARPANET/MILNET] (replaced by TAC) Trusted Information Systems [Corporate name] Tokyo International Science Network (Japan) Technical Knock Out [Boxing] Total Loss Three Letter Acronym Tender Loving Care Transort-Level Interface TradeMark Tycho Magnetic Anomaly (movie 2001) Treasury department's Multiuser Acquisition Contract Telecommunications Management Information System Telephone Money Order The Morrow Project Tech Model Railroad Club [MIT] Transportation Modeling Research Center (TMRC {above} alter ego) Tennessee Twisted Nematic Threaded Neill Concelman (connector) [Electronics] (see also BNC) Tumor Necrosis Factor [Biology, Medicine] Tech Nickel Plate (RR) [TMRC] TriNitro Toluene Telegraph Office Turn Over Transactions on Database Systems (ACM) Total Ozone Mapping Spectrometer [Space] Transactions on Mathematical Software (ACM) Transactions on Office Information Systems (ACM) Technical Office Protocol Transactions on Programming Languages and Systems (ACM) Traffic Operator Position System [Telephony] Traffic Operator Position System Multipurpose [Telephony] Text ORiented Editing System Transfer Orbit Stage [Space] Tube launched, Optically tracked, and Wire guided Time Of Year (clock) Transaction Processing Transport Protocol (ISO/CCITT Transport Services (TP0-TP4); like TCP) Transport Protocol, class 4 [ISO] The Phone Company (from classic movie: _The President's Analyst_) Tracks Per Inch Traveling Post Office TetraarylPorPhyrin TPS TPS TPS TR TR TRG TROFF TRUSIX TRW TS TSAP TSD TSP TSP TSP TSP TSR TSS TSTO T&T TTFN TTL TTMA TTU TTY TUNIS TV TVA TW TWA TWB TWIMC TWT TWX TX Tx u U UA UAR UAR UARS UART UBA UBC UBC UBM UCAR UCB UCD UCD UCI UCL UCLA UCR UCSB UCSC UCSD UCSF UDB UDMH UDP UEC UFO 49 Technical Publishing Software TeleProcessing Services Thermal Protection System [Space] Tech Report (at least at LCS (q.v.), maybe others) Technical Reference [Bell, Telephony] Tip and Ring Ground (test) [Telephony] Text RunOFF, text formatter TRUSted unIX Thompson, Ramo, and Woolridge Top Secret Transport Service Access Point [OSI, Networking] Total System Design Teleprocessing Services Program Thrift Savings Plan Time Synchronization Protocol TriSodium Phosphate TSR (Fortune 500 Company that manufactures Dungeons & Dragons) Tethered Satellite System [Space] Two Stage to Orbit [Space] Tunnels & Trolls Tah Tah, For Now Transistor Transistor Logic Tennessee Tech Microcomputer Association Tennessee Technological University TeleTYpe Toronto UNIversity System TeleVision Tennessee Valley Authority Thieves' World Trans World Airlines [Corporate name] Terrestrial WideBand [Networking, DARPA] To Whom It May Concern Traveling Wave Tube TeletypeWriter eXchange Texas Transmit (representing the greek mu) - micro Universe United Artists United Arab Republic User Action Routine Upper Atmosphere Research Satellite [Space] Universal Asynchronous Receiver Transmitter UniBus Adapter [DEC] Universal Bibliographic Control University of British Columbia Unpressurized Berthing Mechanism [Space] University Corporation for Atmospheric Research University of California at Berkeley Uniform Call Distributor [Telephony] University of California at Davis University of California at Irvine University College London University of California at Los Angeles University of California at Riverside University of California at Santa Barbara University of California at Santa Cruz University of California at San Diego University of California at San Francisco Unified DataBase Unsymmetrical DiMethyl Hydrazine [Space] User Datagram Protocol User Environment Component Unidentified Flying Object [Space] UGC Uppsala General Catalog [Space] UH Upper Half UHF Ultra High Frequency (300-3000MHz) UID Unique IDentifier UID User IDentification [UNIX] UIMS User Interface Management System UIT Ultraviolet Imaging Telescope (Astro package) [Space] UIUC University of Illinois at Urbana-Champaign UK United Kingdom UKST United Kingdom Schmidt Telescope [Space] UL Underwriters Laboratory ULANA Unified Local-Area Network Architecture UMOC Ugliest Man On Campus [MIT] UMT Universal Military Training UN United Nations UNESCO United Nations Educational, Scientific, & Cultural Organization UNICEF United Nations International Children's Emergency Fund (now United Nat. Child. Fund) UNICS UNiplex Information Computer Services UNIX Not an acronym at all. Was a joke on MIT's MULTICS. UNMA Unified Network Management Architecture [AT&T] UNO United Nations Organization UP Union Pacific [Railroading, Corporate name] UPC Universal Product Code UPI United Press International UPI United Press International [Corporate name] UPS Uninterruptible Power Supply UPS United Parcel Service [Corporate name] UR University of Rochester URI University of Rhode Island US United States (of America) USA Union of South Africa USA United States Army USA United States of America USAF United States Air Force USAFA United States Air Force Academy (in Colorado Springs) USAN University Satellite Network USB Upper Side Band USC University of Southern California USCG United States Coast Guard USDA United States Department of Agriculture USES United States Employment Service USFL United States Football League USGS United States Geological Survey USIA United States Information Agency USM United States Mail USMC United States Marine Corps USMP United States Microgravity Payload [Space] USN United States Navy USO United Service Organizations USO Unix Software Operation USP United States Pharmacopeia USPS United States Postal Service USR User Service Routines USS United States Ship USSR Union of Soviet Socialist Republics USSS User Services and Systems Support USW Und So Weiter UT Universal Time (a.k.a. GMT, UTC, or Zulu Time) UT University of Tennessee UT University of Texas UT UTah UTC Coordinated Universal Time (a.k.a. UT) UTC Universal Coordinated Time (a.k.a. UT) 50 UTnet UTP UUCP UUG UV UVS UW UW VA VA VAB [Space] VAFB VAN VANS VAR VASI VAT VAX VAXBI VC VC Vcc VCM VCO VCR VCU VD VDFM VDI VDM VDM VDT VEEGA VF VF VFO VFR VFW VFW VG VG VGA Vgg V&H VHDL VHF VHS VHSIC VI VIABLE VILE VINE VIP VISTA VITA VJ VL VLA VLBA VLBI VLF VLIW VLSI 51 University of Texas Network Unshielded Twisted Pair [Telecom, Networking] UNIX-to-UNIX Copy Program Unix User Group UltraViolet UltraViolet Spectrometer UnderWriter Univ of Wisconsin Veterans Administration Virginia Vehicle Assembly Building (formerly Vertical Assembly Building) Vandenberg Air Force Base [Space] Value Added Network (e.g. Tymnet, Telenet, etc) Value-Added Network Services Value Added Remarketer (reseller) Visual Approach Slope Indicator Value Added Tax Virtual Address eXtended VAX Bus Interconnect Viet Cong Virtual Circuit Voltage (Common Cathode?) Voice Coil Motor Voltage Controlled Oscillator VideoCassette Recorder Virginia Commonwealth University Venereal Disease (see also STD) Virtual Disk File Manager Virtual Device Interface Vienna Development Method Virtual Device Metafile Video Display Terminal Venus-Earth-Earth Gravity Assist (Galileo flight path) [Space] Video Frequency Voice Frequency Variable Frequency Oscillator Visual Flight Rules [Aviation] Veterans of Foreign Wars Volunteer Fire Department Very Good Vicar-General Video Graphics Array Voltage (Gate to Ground?) Vertical and Horizontal (CO coordinate tape) [Telephony] Vhsic Hardware Description Language Very High Frequency (30-300MHz) Video Home System (VCR) Very High Speed Integrated Circuit VIsual editor Vertical Installation Automation BaseLinE VI Like Emacs Vine Is Not Emacs Very Important Person Volunteers In Service To America Vme International Trade Association Video Jockey Vulgar Latin Very Large Array [Space] Very Long Baseline Array [Space] Very Long Baseline Interferometry [Space] Very Low Frequency (3-30KHz) Very Long Instruction Word Very Large Scale Integration VLT VM VM/CMS VMM VMOS VMR VMS VMS VOA VOIR VOIS VOQ VPI&SU VRC VRM VRM VSAT VSX VTAM VTOC VTOL VTR VUP V&V VVSS W W WA WA WAC WAIS WARC WATS WB WB WBC WC WC WCTU WD w.d. WECo WFPC WFPCII WG WH WHBL WHCA WHO WI WIMP WIPP WIS WITS WIYN WMSCR WOM WOP WOPR WORM WOW w.p. WP WP 52 Very Large Telescope [Space] Virtual Memory Virtual Machine/Conversational Monitor System Virtual Memory Manager Vertical Metal Oxide Semiconductor (V-MOS) (see MOS) Vertical Market Reseller Vertical Motion Simulator [Space] Virtual Memory System [DEC] Voice Of America Venus Orbiting Imaging Radar (superseded by VRM) [Space] Voice-Operated Information System Visiting Officer's Quarters Virginia Polytechnic Institute and State University Vertical Redundancy Character Venus Radar Mapper (now called Magellan) [Space] Virtual Resource Manager Very Small Aperture Terminal (satellite dish) X/open Verification Suite Virtual Telecommunications Access Method [IBM] Volume Table Of Contents Vertical TakeOff and Landing VideoTape Recorder Vax Unit of Performance Villains & Vigilantes Vertical Volute Spring Suspension West Width Washington Western Australia Womens Air Corps Wide Area Information Server World Administrative Conference Wide Area Telephone Service Water Ballast WayBill White Blood Cells Water Closet Without Charge Women's Christian Temperance Union White Dwarf [Space] will dated [Genealogy] Western Electric Company [AT&T] (manufacturing arm of AT&T) Wide Field / Planetary Camera (on HST) [Space] Replacement for WFPC [Space] Working Group WarHammer World Home Bible League White House Communications Agency [US Government] World Health Organization Wisconsin Windows/Icons/Mouse Programming(?) (nuclear) Waste Isolation Pilot Plant [DOE] WWMCCS Information System Washington Interagency Telecommunications System Wisconsin / Indiana / Yale / NOAO telescope [Space] Weather Message Switching Center Replacement Write Only Memory WithOut Papers [Immigration] War Operations Planned Response (from "Wargames" movie) Write Once, Read Many times Worlds of Wonder will proved [Genealogy] Word Processing Working Paper WPI WSI WSMR WSW WTR WU WU WUPPE [Space] WV WW WWI WWII WWMCCS WY WYSIWIS WYSIWYG XCF XD XDR XFER XINU XL XMM XMTR XNS XO XOR XPORT XSECT XTAL XUI XUV YA YACC YB YMCA YMHA YOB YP YRS YSO YST YT YT YTD YWCA YWHA Z Z Z ZB ZETA ZGS ZI ZIF ZIP ZK ZMRI ZPG ZPRSN ZST ZT ZWEI 53 Worcester Polytechnic Institute Wafer Scale Integration White Sands Missile Range [Space] West-SouthWest Western Test Range [Space] Washington University Western Union Wisconsin Ultraviolet PhotoPolarimter Experiment (Astro package) West Virginia World War World War I World War II World-Wide Military Command and Control System Wyoming What You See Is What I See What You See Is What You Get eXperimental Computing Facility without Dividend eXternal Data Representation Transfer XINU Is Not UNIX eXtra Large X-ray Multi Mirror [Space] transMiTteR (the X is for trans) Xerox Network Services eXecutive Officer eXclusive OR (logical function) Transport cross SECTion crysTAL (another version of x for crys, see XMTR) X-windows User Interface eXtreme UltraViolet [Space] Yet Another Yet Another Compiler Compiler YearBook Young Mens Christian Association Young Mens Hebrew Association Year Of Birth Yellow Pages Ysgarth Rules System Young Stellar Object [Space] Yukon Standard Time Yukon Territory Yukon Time Year To Date Young Womens Christian Association Young Womens Hebrew Association Zenith Zero Zulu (time) Zero Beat Zero Energy Thermonuclear Assembly Zero Gradient Synchrotron Zonal Index Zero Insertion Force (connector/socket) Zone Improvement Plan (US post office code) barrage balloon (navy symbol) Zinc Metals Research Institute Zero Population Growth Zurich Provisional Relative Sunspot Number Zone Standard Time Zone Time Zwei Was Eine Initially

Top subcategories

Top subcategories

Top subcategories

Top subcategories

Top subcategories

Top subcategories

Top subcategories

Top subcategories

Download ACRONYMS DICTIONARY - WATA - World Association of Arab