Từ điển từ viết tắt - Dictionary of English Abbreviations

AAO Anglo-Australian Observatory [Space]AAP Affirmative Action Program AARC Anglo-American Cataloging Rules AARN Australian Academic Research Network [Networking] AARP American Associati

AA Alcoholics Anonymous; Automobile Association

ABC American Broadcasting Company

ab init ab initio (Latin 'from the beginning')

ABM anti-ballistic missile

ABTA Association of British Travel Agents

AC alternating current (electricity)

ACAS Advisory, Conciliation, and Arbitration Service

acct account

AC/DC alternating or direct current (electricity)

ACLU American Civil Liberties Union

ACTH adrenocorticotropin or adrenocorticotropic hormone

ACV air-cushion vehicle

AD anno Domini (Latin 'in the year of the Lord')

ADC analogue-to-digital converter

ADD attention deficit disorder

ADH antidiuretic hormone

adj adjective

admin administration, administrative, administrator

ADP adenosine diphosphate; automatic data processing

adv adverb

AEA Atomic Energy Authority

AFD accelerated freeze drying

AFV armoured fighting vehicle

AGM annual general meeting

AGR advanced gas-cooled (nuclear) reactor

AH anno Hegirae (Latin 'year of the migration' – of Muhammad, from Mecca to Medina)

AI artificial intelligence; artificial insemination

AID artificial insemination by donor

AIDS acquired immune deficiency syndrome

AIH artificial insemination by husband

a.k.a also known as

AM amplitude modulation

a.m ante meridiem (Latin 'before noon')

amt amount

amu atomic mass unit

ANC African National Congress

ANSI American National Standards Institute

AOB any other business

AP Associated Press

APEX Advance-Purchase Excursion (reduced air fares)

APC armoured personnel carrier

API application programming interface

approx approximately

APR annual (or annualized) percentage rate (charged for credit) ARC Aids-related complex

ASA Advertising Standards Authority

a.s.a.p as soon as possible

ASAT antisatellite weapon

ASCII American Standard Code for Information Interchange ASEAN Association of South East Asian Nations

ASH Action on Smoking and Health

ASL above sea level

ATM automatic (or automated) teller machine; antitank missile atm atmosphere

AT&T American Telephone and Telegraph (Company)

AU atomic unit; astronomical unit

AV Authorized Version (of the Bible)

avdp avoirdupois

AWACS Airborne Warning and Control System

AWOL absent without (official)leave

b born

BA Bachelor of Arts; British Airways

BAA British Airports Authority

BAFTA British Academy of Film and Television Arts

BALPA British Airline Pilots' Association

B & B bed and breakfast

BBC British Broadcasting Corporation

BC before Christ

BCE before the Common Era

BCG bacillus of Calmette and Guérin (for inoculation against TB)

B Ed Bachelor of Education

BFA Bachelor of Fine Arts

BFPO British Forces Post Office

bpi bits per inch

bps bits per second (transmission speed of electronic data)

BR British Rail

BS British Standard

BSc Bachelor of Science

BSE bovine spongiform encephalopathy (mad cow disease)

BSI British Standards Institution

Btu or BThU British thermal unit

BUPA British United Provident Association (for health insurance)

C

C (Latin centum, 'hundred'); century; centigrade; Celsius; 100 (Roman numeral)

c circa (Latin 'about')

CAA Civil Aviation Authority

CAB Citizens' Advice Bureau

CAD computer-aided design

CAI computer-aided instruction

cal calorie

CAM computer-aided manufacture

CAP Common Agricultural Policy (of the European Union)

CARICOM Caribbean Community and Common Market

CAT computerized axial tomography (as in CAT scan)

CB citizens' band (radio); Companion of (the Order of) the Bath

CBE Commander of (the Order of) the British Empire

CBS Columbia Broadcasting System

cc cubic centimetre; carbon copy/copies

CCP Code of Civil Procedure

CCU coronary care unit (of a hospital)

CD compact disc; civil defence; Corps Diplomatique (French Diplomatic Corps)

cd candela, a unit of luminous intensity

CD-I compact disc interactive

CD-ROM compact disc read-only memory

CDT craft, design, technology

CE Common Era

CEGB Central Electricity Generating Board

CEO chief executive officer

CERN Conseil européen pour la recherche nucléaire (French, European Organization for

Nuclear Research)

CET Central European Time

cf confer (Latin 'compare')

CFC chlorofluorocarbon

CFE College of Further Education

CFO chief fire officer

cfs cubic feet per second

cgs centimetre-gram-second

CH Companion of Honour

ch chapter

chg charge

CIA Central Intelligence Agency

CID Criminal Investigation Department

CIO Congress of Industrial Organizations

CIS Commonwealth of Independent States; cataloguing in source (in bibliography) CISC complex instruction set computer

CITES Convention on International Trade in Endangered Species

CJD Creutzfeldt-Jakob disease

ck check; cook; cask

cl centilitre

cm centimetre

CND Campaign for Nuclear Disarmament

CNN Cable News Network

c/o care of

co company

CO Commanding Officer

COBOL Common Business-Oriented Language

COD cash on delivery

C of E Church of England

Comintern Communist International (1919–43)

COI Central Office of Information

Comsat Communications Satellite

cos cosine

cot cotangent

cpm characters per minute

CPO chief petty officer; crime prevention officer

CPP current purchasing power

CPR cardiopulmonary resuscitation

CPS Crown Prosecution Service

CPU central processing unit (computing)

CRC camera-ready copy (in printing)

CRT cathode-ray tube

csc cosecant

CSA Child Support Agency

CSCE Conference on Security and Cooperation in Europe

cu cubic (measure)

c.v curriculum vitae

cwt symbol for hundredweight, a unit of weight equal to 112 lb (50.80 kg) in Canada and the

UK, and 100 lb (45.36 kg) in the USA

D

d day; diameter; died

D 500 (Roman numeral)

DA District Attorney (in US); Department of Agriculture

DAT digital audio tape

dB decibel

DBE Dame Commander of (the Order of) the British Empire

dbl or dble double

DC da capo (Italian 'from the beginning', in music); direct current (electricity)

DC District of Columbia (US); Detective Constable

DCM Distinguished Conduct Medal

DD Doctor of Divinity

DDS Doctor of Dental Surgery

DDT dichloro-diphenyl-trichloroethane (an insecticide)

dept department

DFC Distinguished Flying Cross

DFE Department for Education

DFM Distinguished Flying Medal

DI Detective Inspector; donor insemination

DIANE Direct Information Access for Europe

DIN Deutsche Industrie-Norm, a series of international technical standards set by the

Deutsches Institut für Normung

DJ dinner jacket; disc jockey

DJI Dow Jones Index (US Stock Exchange)

DJIA Dow Jones Industrial Average (US Stock Exchange)

dl decilitre

DM Deutschmark

DMus Doctor of Music

DNA deoxyribonucleic acid

DOA dead on arrival

DoE Department of Employment

DoE Department of the Environment

DoH Department of Health

DOS disc operating system (computing)

DoT Department of Transport

doz dozen

DPhil Doctor of Philosophy

DPP Director of Public Prosecutions

Dr doctor

dr dram

DSC Distinguished Service Cross

DSM Distinguished Service Medal

DSS Department of Social Security

DTI Department of Trade and Industry

DTP desktop publishing

DT's delirium tremens

DVD digital video disc

DVLA Driver and Vehicle Licensing Authority

E

E east

E & OE errors and omissions excepted

EBU European Broadcasting Union

EC European Community

ECG electrocardiogram; electrocardiograph

ECM electronic counter measures

ECU European Currency Unit (also ecu); European Customs Union

ed editor (plural eds.)

EDP electronic data processing

EEC European Economic Community (now EC, EU)

EEG electroencephalogram; electroencephalograph

EES European Exchange System

EET Eastern European Time

EFL English as a Foreign Language

EFTA European Free Trade Association

EFTPOS electronic funds transfer at point of sale

e.g exempli gratia (Latin 'for the sake of example'); for example

EIB European Investment Bank

ELT English language teaching

EMF electromagnetic field; European Monetary Fund

emf electromotive force

EMI Electrical and Musical Industries; electromagnetic interference EMS European Monetary System

EMU Economic and Monetary Union; European Monetary Union e.m.u electromagnetic unit

ENT ear, nose, and throat

EOC Equal Opportunities Commission

EPA European Productivity Agency

EPSRC Education and Physical Sciences Research Council

ERM exchange rate mechanism

ESA European Space Agency

ESL English as a Second Language

ESP extrasensory perception

EST electric shock treatment; electroshock therapy

est estimate(d); established

ETA estimated time of arrival

et al et alii (Latin 'and others')

etc et cetera (Latin 'and the rest')

ETD estimated time of departure

F Fahrenheit; farad

f female; folio (plural ff.), and following (page)

FA Football Association

FAA Federal Aviation Administration (US); Fleet Air Arm

FAO Food and Agriculture Organization (of the UN)

f.a.o for the attention of

FAQ frequently asked question

FBA Fellow of the British Academy

FBI Federal Bureau of Investigation

FCO Foreign and Commonwealth Office

FDA Food and Drug Administration (US)

fem feminine

ff folios; and following (pages)

FIFA Fédération internationale de football association (French, International Federation of

FORTRAN formula translation (computing language)

FPA Family Planning Association

FRS Fellow of the Royal Society

FST flatter, squarer (television) tube

GCHQ Government Communications Headquarters

GCSE General Certificate of Secondary Education

GDP gross domestic product

GEC General Electric Company

gen genitive

ger gerund

GeV gigavolts (one billion electric volts)

GHQ general headquarters

GHz gigahertz (one billion hertz)

GI government issue (US, a common soldier)

GIGO garbage in, garbage out (computing)

GM George Medal

GMT Greenwich mean time

GNP gross national product

GP general (medical) practitioner

GPO General Post Office

HGV heavy goods vehicle

HIV human immunodeficiency virus

HM Her (His) Majesty

HMS Her (His) Majesty's Ship; Her (His) Majesty's Service HMSO Her (His) Majesty's Stationery Office

HMV His Master's Voice (record company)

HRH Her/His Royal Highness

HRT hormone replacement therapy

HST high-speed train

ht or hgt height

HUGO Human Genome Organization

HV or h.v high velocity; high voltage

HWM high-water mark

Hz hertz

I

I 1 (Roman numeral)

ibid ibidem (Latin 'in the same place', i.e in a book)

IBM International Business Machines

IBRD International Bank for Reconstruction and Development (the World Bank)

ICBM intercontinental ballistic missile

ICI Imperial Chemical Industries

ICL International Computers Ltd

id idem (Latin 'the same')

ID identification

IDA International Development Association

IDL International Date Line

IDP International Driving Permit

i.e id est (Latin 'that is')

IFAD International Fund for Agricultural Development

IGA International Geographical Association

IKBS intelligent knowledge-based system (computing)

ILO International Labour Organization

ill., illus., or illustr illustrated; illustration

ILS instrument landing system

IMF International Monetary Fund

imp important

in or in inch

Inc Incorporated (US); including

INF intermediate nuclear forces

Interpol International Criminal Police Organization

IOC International Olympic Committee

IOU I owe you

IQ intelligence quotient

IR infrared radiation; information retrieval; Inland Revenue

IRA Irish Republican Army

IRO Inland Revenue Office

ISBN International Standard Book Number

ISDN Integrated Services Digital Network

ISSN International Standard Serial Number

IT information technology

ITA Independent Television Authority

ITC Independent Television Commission

ITU intensive therapy unit; International Telecommunication Union IUD intrauterine device

IUPAC International Union of Pure and Applied Chemistry

IVF in vitro fertilization

IWW Industrial Workers of the World

L.A Los Angeles

Landsat land satellite

lat latitude

lb pound (Latin libra)

lb-ft pound-foot

LC Library of Congress (US)

l.c in typography, lower case, or small letters, as opposed to capital letters

LCD liquid crystal display; lowest or least common denominator

LEA local education authority

loc cit loco citato (Latin 'at the place cited')

MBA Master of Business Administration

MBE Member of (the Order of) the British Empire

MBO management buyout

MC master of ceremonies; Military Cross

MCC Marylebone Cricket Club

MCP male chauvinist pig

MD Doctor of Medicine; muscular dystrophy; managing director mdn median

MDR minimum daily requirement

ME myalgic encephalomyelitis; mechanical engineer; Middle English

M Ed Master of Education

MEP Member of the European Parliament

Messrs messieurs (French 'sirs' or 'gentlemen')

MeV mega-electronvolt

MFA Master of Fine Arts

mfd manufactured

MIDI Musical Instrument Digital Interface

min minimum; minute

MIRAS mortgage interest relief at source

MoD Ministry of Defence

modem modulator/demodulator (a device for transmitting computer data over telephone lines)

MOMA Museum of Modern Art

MORI Market and Opinion Research Institute

mp melting point

MP Member of Parliament; military policeman

mpg miles per gallon

mph miles per hour

MPhil Master of Philosophy

Mr Mister, title given to a man

MRBM medium-range ballistic missile

Mrs Mistress, title given to a married woman

MS manuscript (plural MSS); Master of Surgery; multiple sclerosis

Ms Miss or Mrs, title given to a woman regardless of marital status

mW milliwatt

N

N north; newton

n noun

n/a or n.a not applicable; not available

NAAFI Navy Army and Air Force Institutes (forces catering service)

NAFTA North American Free Trade Agreement

NAO National Audit Office

NASA National Aeronautics and Space Administration (US)

NATO or Nato North Atlantic Treaty Organization

NB nota bene (Latin 'note well')

NBA Net Book Agreement

NBC National Broadcasting Company

NCP National Car Parks

NCT National Childbirth Trust

NDE near-death experience

NEB National Enterprise Board; New English Bible

NEC National Exhibition Centre

NEDC National Economic Development Council

NICAM near-instantaneous companded (compressed and expanded) audio multiplex, a

system of digital stereo sound for video

NIMBY not in my back yard

NIREX Nuclear Industry Radioactive Waste Executive

no number

NOP National Opinion Poll

NRA National Rivers Authority

NSB National Savings Bank

NSPCA National Society for the Prevention of Cruelty to Animals

NSPCC National Society for the Prevention of Cruelty to Children

NT New Testament; National Theatre; National Trust

NTP normal temperature and pressure

NZ New Zealand

O

o/a on account

OAPEC Organization of Arab Petroleum-Exporting Countries OAS Organization of American States

OAUOrganization of African Unity

ob obiit (Latin 'he/she died')

OBE Officer of (the Order of) the British Empire

OCD obsessive compulsive disorder

OCR optical character reader; optical character recognition

OD officer of the day; overdose; overdrawn

OE Old English

OECD Organization for Economic Cooperation and Development OED Oxford English Dictionary

OEM original equipment manufacturer

OFFER Office of Electricity Regulation (regulatory body)

Ofgas Office of Gas Supply (regulatory body)

Oflot Office of the National Lottery (regulatory body)

Ofrail Office of the Railway Regulator (regulatory body)

Ofsted Office for Standards in Education (regulatory body)

OFT Office of Fair Trading

Oftel Office of Telecommunications (regulatory body)

Ofwat Office of Water Services (regulatory body)

OHMS On Her (His) Majesty's Service

o.k.a or o/k/a otherwise known as

OM Order of Merit

op cit opere citato (Latin 'in the work cited')

OPEC Organization of Petroleum-Exporting Countries

OT Old Testament

oz ounce

P

p page (plural pp.)

p.a per annum (Latin 'yearly')

PA personal assistant; public address (system)

PAC Pan African Congress

P/L or P & L profit and loss

P & P postage and packing

Pap test Papanicolaou (gynaecological or smear) test

part participle

PAYE pay as you earn (system of tax collection)

PBX private branch exchange

PC personal computer; political correctness or politically correct; Police Constable; Privy

Councillor; Peace Corps

pc per cent

PCB polychlorinated biphenyl; printed circuit board

PCP phencyclohexyl-piperidine (also known as angel dust)

PEP personal equity plan

per pro or p.p or pp per procurationem (Latin 'by the agency of'); by proxy

pH potential of hydrogen ions, a measure of acidity or alkilinity

PhD Doctor of Philosophy

PIN personal identification number

PLA Port of London Authority

plc public limited company

PLO Palestine Liberation Organization

PLR public lending right (system of royalties paid on borrowed books)

plur plural

PM prime minister

p.m post meridiem (Latin 'after noon')

PO Post Office; petty officer

POS point of sale

POSSLQ person of the opposite sex sharing living quarters

POW prisoner of war

pp see per pro

ppm parts per million

PPS Parliamentary Private Secretary

PR public relations; proportional representation

pref prefix

PRO Public Record Office; public relations officer

pro tem pro tempore (Latin 'for the time being')

PS post scriptum (Latin 'after writing')

PSBR public sector borrowing requirement

pt part; pint

PTA Parent-Teacher Association

PTO please turn over

PVC polyvinyl chloride, a type of plastic

Q

QC Queen's Counsel

QED quod erat demonstrandum (Latin 'which was to be proved')

qt quart

quango quasi-autonomous non-governmental organization

q.v quod vide (Latin 'which see')

R

R Roentgen

r reigned

RAC Royal Automobile Club

RADA Royal Academy of Dramatic Art

RAF Royal Air Force

RAM random access memory

R & B rhythm and blues

R & R rescue and resuscitation; rest and recreation or rehabilitation; rock and roll

RC Red Cross; Roman Catholic

RCU remote control unit

R & D research and development

Rd road

RDS radio data system

re regarding (Latin 'with regard to')

REM rapid eye movement (in dreaming)

Rev or Revd Reverend, a title for clergy

RFC Rugby Football Club

RHA Regional Health Authority

RIP requiescat (requiescant) in pace (Latin 'may he/she (they) rest in peace')

RN Registered Nurse

RNA ribonucleic acid

RNIB Royal National Institute for the Blind

RNID Royal National Institute for the Deaf

RNLI Royal National Lifeboat Institution

RoSPA Royal Society for the Prevention of Accidents

RPI retail price index

rpm revolutions per minute

RPV remotely piloted vehicle (a flying TV camera for military use)

RRP recommended retail price

RSFSR Russian Soviet Federated Socialist Republic

RSI repetitive strain injury

RSJ rolled-steel joist (in building)

RSV Revised Standard Version (of the Bible)

RSVP répondez s'il vous plaît (French 'please reply')

RUC Royal Ulster Constabulary

RV Revised Version (of the Bible)

S

S south

SAD seasonal affective disorder (depression associated with a time of year) SAE or s.a.e self-addressed envelope

SALT Strategic Arms Limitation Talks (or Treaty)

SAS Special Air Service

SAT Standard Assessment Task

SAYE save as you earn (savings scheme)

sc scilicet (Latin 'let it be understood')

sci-fi science fiction

SCR senior common room (in a college or university)

SDI Strategic Defense Initiative (popularly known as 'Star Wars')

SEAQ Stock Exchange Automated Quotations

SEATO Southeast Asia Treaty Organization

sec or s second (a unit of time)

seq sequentes (Latin 'the following')

SHF superhigh frequency

SI Système International [d'Unités] (French 'International System [of Metric Units]')

SIDS sudden infant death syndrome

sin sine

sing singular

SLBM submarine-launched ballistic missile

SLR single-lens reflex (camera)

SNP Scottish National Party

SOS internationally recognized distress signal, using letters of the Morse code (··· -···) spec special; species; specification(s)

sq square

Sr senior; señor

SS steamship; Schutzstaffel (Nazi elite guard)

SSRC Social Sciences Research Council

St Saint; Street

START Strategic Arms Reduction Talks (or Treaty)

STD sexually transmitted disease; subscriber trunk dialling

STP standard temperature and pressure

TASM tactical air-to-surface missile

Tass Telegrafnoye Agentstvo Sovyetskovo Soyuza (Soviet news agency)

TB tuberculosis

t.b.a to be advised; to be agreed; to be announced

t.b.d to be determined

TDD Telecommunications Device for the Deaf

TEFL teaching English as a foreign language

tel telephone

temp temperature; temporary

TESL teaching English as a second language

TESOL teaching English to speakers of other languages

TGIF thank God it's Friday

TGV train à grand vitesse (French high-speed train)

TLS Times Literary Supplement

TM trademark; transcendental meditation

TNT trinitrotoluene; trinitrotoluol

TSB Trustee Savings Bank

TUC Trades Union Congress

U

u.c in typography, upper case, or capital letters

UCAS Universities and Colleges Admissions Service

UEFA Union of European Football Associations

UFO unidentified flying object

UHF ultrahigh frequency

UHV ultrahigh voltage

UK United Kingdom

UN United Nations

UNCTAD United Nations Commission on Trade and Development

UNEP United Nations Environmental Program

UNESCO United Nations Educational, Scientific and Cultural Organization

UNHCR United Nations High Commissioner for Refugees

UNICEF United Nations International Children's Emergency Fund (now known as United

Nations Children's Fund)

UP United Press (news agency)

US United States

USA United States of America

USAF United States Air Force

USS United States Ship

USSR Union of Soviet Socialist Republics

UV ultraviolet

V

V 5 (Roman numeral)

v velocity; volt

v or vb verb

v or vs versus

V & A Victoria and Albert Museum

VAT value-added tax

VC Victoria Cross

VCR video cassette recorder

VD venereal disease

VDT visual or video display terminal

VDU visual display unit

VHF very high frequency

v.i verb intransitive

VIP very important person

viz videlicet (Latin 'that is to say'); namely

VLF very low frequency

voc vocative

vol volume

VSO Voluntary Service Overseas

VSTOL vertical short takeoff and landing

WCC World Council of Churches

WEA Workers' Educational Association

WHO World Health Organization

WI Women's Institute

WIPO World Intellectual Property Organization w.p.m words per minute

WRAC Women's Royal Army Corps

WRAF Women's Royal Air Force

WRNS Women's Royal Naval Service

X 10 (Roman numeral); a person or thing unknown

x in mathematics, an unknown quantity

Y

yd yard

YMCA Young Men's Christian Association

YTS Youth Training Scheme

YWCA Young Women's Christian Association

Z

Z impedance (electricity and magnetism)

ACRONYMS DICTIONARY

(updated)2D2-Dimensional

3D3-Dimensional

3M Minnesota Mining and Manufacturing

4GL Fourth Generation Language

4HHead, Heart, Hands, Health

4WD Four wheel Drive (see also FWD)

A&A Astronomy and Astrophysics [Space]

AA Automobile Association [England]

AAA American Automobile Association

AAAL American Academy of Arts and Letters

AAAS American Association for the Advancement of Science

AAII American Association of Individual Investors

AAMSI American Association for Medical Systems Informatics

AAO Anglo-Australian Observatory [Space]

AAP Affirmative Action Program

AARC Anglo-American Cataloging Rules

AARN Australian Academic Research Network [Networking]

AARP American Association of Retired Persons

AAS American Astronomical Society [Space]

AAVSO American Association of Variable Star Observers [Space]

AB ABle seaman

ABA American Bar Association

ABA American Basketball Association

ABA American Booksellers Association

ABBR ABBReviation

ABC American Broadcasting Company [Corporate name]

AC Alternating Current (ac, see also DC)

AC Ante Christum (before Christ)

AC Ante Cibum (before meals)

ACAA Agricultural Conservation and Adjustment Administration

ACAWS Advisory, Caution, And Warning System

ACBL American Contract Bridge League

ACC Argonne Code Center

ACCS Army Command and Control System

ACD Automatic Call Distributor [Telephony]

ACE Advanced Composition Explorer [Space]

ACE Advanced Computing Environments [Corporate name]

ACE Automatic Calibration and Equalization

ACHEFT Automated ClearingHouse Electronic Funds Transfer

ACK ACKnowledge

ACL Advanced Cmos Logic

ACLU American Civil Liberties Union

ACM Association for Computing Machinery

ACRV Assured Crew Return Vehicle (or) Astronaut Crew Rescue Vehicle [Space]ACS Advanced Communications System

ACSE Association Control Service Entity (ISO/CCITT layer 7)

ACT Action for Children's Television (in Cambridge, MA)

ACT American Conservatory Theater

ACTS Advanced Communications Technology Satellite

ACTS Automatic Coin Telephone Service [Telephony]

ACU Alarm Control Unit

ACU Automatic Call Unit [Telephony]

ACW Alternating Continuous Waves

AD After Date

A/D Analog to Digital converter (see ADC)

AD Anno Domini (in the year of our Lord)

AD Application Development

ADAP Alzheimer's disease-associated protein

ADAP American Discount Auto Parts [Corporate name]

ADB A DeBugger

ADB Apple Desktop Bus

ADC Analog to Digital Converter

ADCI Automatic Display Call Indicator

AD&D Advanced Dungeons & Dragons

ADF Automatic Direction Finder

ADM ADMiral

ADP Adenosine Di-Phosphate

ADP Administrative Data Processing

ADP Advanced Data Processing

ADPCM Pulse Code Modulation with Adaptive Quantization

ADS Application Development System

ADSR Attack Decay Sustain Release

ADT Abstract Data Type

ADT Atlantic Daylight Time

AEApplication Execution

AEA American Electronics Association

AEC Atomic Energy Commission

AEF American Expeditionary Force (see BEF)

AEGIS Advanced Electronic Guidance and Instrumentation System

AFAdventures in Fantasy

AFAir Force

AFAudio Frequency

AFADS Automatic Force Adjustment Data System

AFATDS Advanced Field Artillery Tactical Data System

AFB Air Force Base

AFC American Football Conference

AFC Automatic Flight Control

AFC Automatic Frequency Control

AFCAC Air Force Computer Acquisition Center

AFCC Air Force Communications Command

AFGE American Federation of Government Employees

AFIPS American Federation of Information Processing Societies

AFL American Federation of Labor

AFL American Football League

AFLCIO American Federation of Labor and Congress of Industrial OrganizationsAFNOR Association Francaise de NORmalization

AFP Appletalk Filing Protocol

AFS Andrew File System

AFSC Air Force Systems Command

AFSCME American Federation of State, County and Municipal Employees

AFTRA American Federation of Television and Radio Artists

AG Adjutant General

AG Arcade Game

AG Attorney General

AGCT Army General Classification Test

AGN Active Galactic Nucleus [Space]

AHL American Hockey League

AHQ Air HeadQuarters

AI Artificial Intelligence

AIAA American Institute of Aeronautics and Astronautics [Space]

AIC Automatic Intercept Center

AID Agency for International Development

AIDDE Ames' Interactive Dynamic Display Editor

AIDS Acquired ImmunoDeficiency Syndrome

AIOD Automatic Identification Outward Dialing

AIS Automatic Intercept System

AIX Advanced Interactive eXecutive (IBM's name for UNIX)

AJ Astronomical Journal [Space]

AK Alaska

AKA Also Known As

ALAlabama [US state postal designation]

ALAmerican League (baseball)

ALA American Library Association

ALA Automobile Legal Association

ALBM Air-to-Land Ballistic Missile

ALC Automatic Load Control

ALGOL ALGOrithmic Language

ALIT Automatic Line Insulation Testing [Telephony]

ALPO Association of Lunar and Planetary Observers [Space]

ALS Advanced Launch System [Space]

ALU Arithmetic Logic Unit

A&M Agricultural and Mechanical

AM Amplitude Modulation

AM Ante Meridiem (before noon)

AMA American Medical Association

AMA Automatic Message Accounting [Telephony]

AMARC Automatic Message Accounting Recording Center

AMBA Association of Master of Business Administration

AMC Albany Medical College

AMC American Motors Corporation(?) [Corporate name]

AMC Appalachian Mountain Club

AMD Advanced Micro Devices [Corporate name]

AMEX AMerican EXpress [Corporate name]

AMI Alternate Mark Inversion (see also NRZ, NRZI, B8ZS)

AMORC Ancient Mystic Order Rosae Crucis

AMP Adenosine MonoPhosphate

AMPAS Academy of Motion Picture Arts and Sciences

AMPAS Acedemy of Motion Picture Arts and Sciences

AMRAAM Advanced Medium Range Air-To-Air Missile

AMROC American Rocket Company [Space]

AMSAT radio AMateur SATellite corp

AMU Atomic Mass Unit

AMVET AMerican VETeran

ANA American Nurses Association

ANAC Automatic Number Announcemnt Circuit [Telephony]

ANC All Number Calling [Telephony]

ANC Army Nurse Corps

ANDF Architecture-Neural Distribution Format

ANF Automatic Number Forwarding [Telephony]

ANG Air National Guard

ANI Automatic Number Identification (see also: CLID) [Telephony]ANL Argonne National Laboratory

ANOVA ANalysis Of VAriance

ANPA American Newspaper Publishers Association

ANSI American National Standards Institute

ANZUS Australia, New Zealand, United States

AO Account Of

AOA Abort Once Around [NASA, Shuttle]

AOA Abort Once Around (Shuttle abort plan) [Space]

AOL Absent Over Leave (see AWOL)

AOS Academic Operating System

AOS Alternate Operator Service [Telephony]

A/P Accounts Payable

APAdditional Premium

APAll Points

APAssociated Press [Corporate name]

APA All Points Addressable

APA American Psychological Association

APB All Points Bulletin

APDA Apple Programmers and Developers Association

API Application Programming Interface

APICS American Production and Inventory Control Society

Ap.J Astrophysical Journal [Space]

APL A Programming Language

APL acute promyelocytic leukemia [Disease]

APO Alpha Phi Omega, service fraternity

APO Army Post Office

APP Applications Portability Profile

APPC Advanced Peer-to-Peer Communications

APR Annual Percentage Rate (as in loan interest)

APSE Ada Programming Support Environment

APU Auxiliary Power Unit [Space]

AQ Accumulator-Quotient register

A/R Accounts Receivable

AR Address Register

AR Arkansas

ARC AIDS-related complex

ARC American Red Cross

ARC Ames Research Center (NASA) [Space]

ARCNET Attached Resource Computer local area NETwork

ARO After Receipt of Order

ARP Address Resolution Protocol

ARPA Advanced Research Projects Agency (of the DoD, see DARPA)ARPANET ARPA (q.v.) NETwork

ARRL Amateur Radio Relay League

ARV American Revised Version

ASAnglo-Saxon

ASA Acetyl Salicylic Acid

ASAP As Soon As Possible

ASC Accredited Standards Committee

ASCAP American Society of Composers, Authors, and PublishersASCC Automatic Sequence-Controlled Calculator

ASCII American Standard Code for Information Interchange

ASDIC Anti-Submarine Detection Investigation Committee (British for sonar)

ASDSP Application-Specific Digital Signal Processor

ASG Automated Sciences Group

ASHRAE Amer Soc of Heating, Refrigerating and Air-cond Engineers, inc

ASIC Application Specific Integrated Circuit

ASME American Society of Mechanical Engineers

ASN Abstract Syntax Notation One (ISO/CCITT ASN.1)

ASP Aggregated Switch Procurement

ASRM Advanced Solid Rocket Motor [Space]

ASSR Autonomous Soviet Socialist Republic

AST Atlantic Standard Time

ASV American Standard Version

ATAtlantic Time

ATA Automatic Trouble Analysis

ATACC Advanced Tactical Air Command Central

ATB Advanced Technology Bomber (stealth bomber)

ATC Air Traffic Control

ATDRS Advanced Tracking and Data Relay Satellite [Space]

ATF Advanced Technology Fighter

ATIS Atherton Tools Interface Specification

ATLAS Atmospheric Laboratory for Applications and Science [Space]

ATM Amateur Telescope Maker [Space]

ATM Asynchronous Transfer Mode

ATM Automatic Teller Machine

ATO Abort To Orbit [NASA, Shuttle]

ATO Abort To Orbit (Shuttle abort plan) [Space]

ATOMS AT&t Optimized Materials Simulator

ATP Adenosine TriPhosphate

ATPCO Airline Tariff Publishing COmpany

AT&T American Telephone & Telegraph [Corporate name]

ATT American Telephone & Telegraph (normally written AT&T when seperate)ATTIS American Telephone and Telegraph Information Systems [AT&T] (Division)ATV All Terrain Vehicle

AU Astronomical Unit (93,000,000 miles) [Space]

AU Astronomical Unit [Space]

AUI Attachment Universal Interface

AURA Association of Universities for Research in Astronomy [Space]

AUS Army of the United States

AUTODIN AUTOmatic DIgital Network

AUTOVON AUTOmatic VOice Network

AV AudioVisual

AVLIS Atomic Vapor Laser Isotope Separation

AWACS Airborne Warnings And Control Systems

AWEA American Wind Energy Association

AWK al Aho, peter Weinberger, brian Kernighan (pattern scanning language)AWOL Absent WithOut Leave (also Absent Without Official Leave) (see AOL)AW&ST Aviation Week and Space Technology (a.k.a AvLeak) [Space]

AXAF Advanced X-ray Astrophysics Facility [Space]

AZArizona

B Book

B8ZS Binary 8 Zero Substitution (see also NRZ, NRZI, AMI)

BA Bachelor of Arts

BACH Business Alliance for Commerce in Hemp

BAFO Best And Final Offer

BARRNet Bay Area Regional Research Network (SF Bay Area)

BASIC Beginner's All-purpose Symbolic Instruction Code

BATSE Burst And Transient Source Experiment (on GRO) [Space]

BBBases on Balls

BBBest of Breed

BBBunnies and Burrows

BBA Bachelor of Business Administration

BBB Better Business Bureau

BBC British Broadcasting Corporation

BBL Barrel

BBN Bolt, Beranek, and Newman, Inc [Corporate name]

BBXRT Broad-Band X-Ray Telescope (ASTRO package) [Space]

BCBattlecars

BCBefore Christ

BCBritish Columbia

BC/BS Blue Cross/Blue Shield

BCD Bad Conduct Discharge

BCD Binary Coded Decimal

BCDIC Binary Coded Decimal Interchange Code

BCE Before the Common Era (substitute for BC)

BCNU Be Seeing You [Net jargon]

BCP Byte Controlled Protocols

BCPL Basic Combined Programming Language

BCS Bachelor of Commercial Science

BCS Binary Compatibility Standard

BCS Boston Computer Society

BCS British Computer Society

BD Bachelor of Divinity

BD Bank Draft

BD Bills Discounted

BD&D Basic Dungeons & Dragons

BDF Binary Distribution Format

BDT Billing Data Transmitter

BEBill of Exchange

BEF British Expeditionary Force (see AEF)

BELCORE BELL COmmunications REsearch

BEM Bug Eyed Monster

BEM Bug-Eyed Monster [Space]

BENELUX BElgium, NEtherlands, and LUXembourg

BER Bit Error Rate

BERT Bit Error Rate Test

BEST Borland Enhanced Support and Training

BFBrought Forward

BFA Bachelor of Fine Arts

BFD Bristol (RI) Fire Department (probably typical of any town starting "B")

BH Black Hole [Space]

BH Boot Hill

BHP Brake HorsePower

BICS Building Industry Consulting Services [Telephony]

BID Bis In Die (twice a day)

BIMA Berkeley Illinois Maryland Array [Space]

BIOS Basic Input Output System

BIS Business Information System

BISDN Broadband ISDN (q.v.) [Telephony]

BiSync Binary Synchronous Communications (BSC is preferred) [IBM]BitBInary digiT

BITNET Because It's Time Network

BLAST BLocked ASynchronous Transmission

BLERT BLock Error Rate Test

BLF Busy Lamp Field [Telephony]

BLT Bacon, Lettuce, and Tomato (sandwich)

BLT BLock Transfer [Instruction]

BLT Branch Less Than [Instruction]

BM Basal Metabolism

BM Bowel Movement

BMA Bank Marketing Association

BMEWS Ballistic Missile Early Warning

BMO Ballistic Missile Office

BMOC Big Man On Campus

BMR Basal Metabolism Rate

BNC Bayonet Neill Concelman (connector) [Electronics] (see also TNC)BNF Bachus-Naur Form

BO Body Odor

BO Branch Office

BO Buyer's Option

BOC Bell Operating Company

BOD Board Of Directors

BOF Birds Of a Feather

BOM Bill Of Materials

BOOTP Bootstrap Protocol [Internet]

BOQ Bachelor Officers' Quarters

BOS Business Office Supervisor

BOSIX Biin Open System Interface eXtension

BPBlood Pressure

BPBritish Petroleum

BPBritish Pharmacopoeia

BPI Bits Per Inch

BPL Boston Public Library

BPL Branch if PLus [Instruction]

BPOE Benevolent and Protective Order of Elks

BPS Bits Per Second

BRBills Receivable

BRBritish Rail

BRA Boston Redevelopment Authority

BRI Basic Rate Interface (ISDN) [Telephony]

BRIEF Basic Reconfigurable Interactive Editing Facility

BRL army Ballistic Research Laboratory

BRS Bibliographic Retrieval Service

BSBachelor of Science

BSBill of Sale

BSA Birmingham Small Arms

BSA Boy Scouts of America

BSc Bachelor of SCience

BSC Binary Synchronous Communications (also sometimes BiSync) [IBM]BSD Berkeley Software Distribution

BSN Bachelor of Science in Nursing

BSS Block Started by Symbol

BSTJ Bell System Technical Journal

BTBritish Telecom

BTAM Basic Telecommunications Access Method [IBM]

BThU British Thermal Unit (BTU {q.v.} is preferred)

BTL Bell Telephone Laboratories

BTO Bachman Turner Overdrive

BTU British Thermal Unit

BTW By The Way [Net jargon]

BU Boston University

BUF B-52 bomber ("Big Ugly Fellow") [USAF]

BV Blessed Virgin

BWI Baltimore-Washington International (airport)

BWI British West Indies

BX Base eXchange (see also PX)

CA Collision Avoidance (as in CSMA/CA (q.v.))

CAB Civil Aeronautics Board

CACM Communications of the Association for Computing Machinery

CAD Computer Aided Design (sometimes seen as CAD/CAM)

CAD Computer Aided Dispatching

CAE Common Applications Environment

CAE Computer Aided Engineering

CAI Computer Aided Instruction

CAIS Common Apse Interface Specification

CALS Computer-aided Acquisition and Logistics Support

CAM Computer Aided Management

CAM Computer Aided Manufacturing (sometimes seen as CAD/CAM)CAM Content Addressable Memory

CAMA Centralized Automatic Message Accounting [Telephony]

CAMP Campaign Against Marijuana Planting

CAP Civil Air Patrol

CAP Columbia Appletalk Package

CAR Contents of the Address part of the Register (LISP)

CARE Committee on American Relief in Europe

CARP California Air Resources Board

CASE Computer Aided Software Engineering

CASSIS Classification and Search Support Information System

CAT Computer-Aided Tomography

CATIS Common Applications and Tools Integration Services

CATV Common Antenna TeleVision

CATV Community Antenna TeleVision

CAVU Ceiling And Visibility Unlimited

CBCitizens Band radio

CBC Canadian Broadcasting Corporation

CBD Cash Before Delivery

CBD Commerce Business Daily

CBEMA Computer & Business Equipment Manufacturers Association

CBR Chemical, Biological, Radiological warfare

CBS Columbia Broadcasting System [Corporate name]

CBW Chemical and Biological Warfare

CCC (language) Compiler

CCCarbon Copy

CCA Computer Corporation of America [Corporate name]

CCAFS Cape Canaveral Air Force Station [Space]

CCC Canadian Committee on Cataloging

CCC Civil(ian) Conservation Corps

CCC Command, Control, and Communications (sometimes C^3)

CCC Concourse Computer Center [MIT]

CCCCM CCC CounterMeasures (sometimes C^3CM)

CCCI Command, Control, Communications, and Intelligence

CCD 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 NetworkingCCIS Common Channel Interoffice Signaling [Telephony]

CCITT Comite' Consultatif International Telegraphique et TelephoniqueCCITT Consultative Committee on International Telephony and TelegraphyCCITT International Telegraph and Telephone Consultative CommitteeCCR 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

CEChemical Engineer

CECivil Engineer

CECommon Era (substitute for AD)

CECorps of Engineers

CECustomer 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 NucleairesCERT Computer Emergency Response Team

CEVI Common Equipment Voltage Indicator

CFCarry Forward

CFCoin First (payphone) [Telephony]

CFCystic Fibrosis [Disease]

CFA Center For Astrophysics [Space]

CFC Chloro-FluoroCarbon [Chemical]

CFC Combined Federal Campaign

CFD Computational Fluid Dynamics

CFHT Canada-France-Hawaii Telescope [Space]

CFI Cost, Freight, and Insurance

CFL Canadian Football League

CFO Chief Financial Officer

CG Coast Guard

CG Commanding General

CGA Color Graphics Adapter

CGCT Compagnie Generale de Constructions Telephoniques

CG&E Cincinnati Gas & Electric

CGE Compagnie Generale d'Electricite

CHAP CHAnnel Processor

CHARA Center for High Angular Resolution Astronomy [Space]CHI Chill: Adventures into the Unknown

CHOTS Corporate Headquarters Office Technology System

CHP California Highway Patrol

CI Cubic Inches

CIA Central Intelligence Agency [US Government]

CIA Culinary Institute of America (Hyde Park, NY)

CIC Carrier Identification Codes [Telephony] (10XXX codes)CIC Committee on Institutional Cooperation

CIC Coordination and Information Center [CSNet]

CICA Competition in Contracting Act

CICS Customer Information Control System [IBM]

CID Caller ID [Telephony] (see also: CLID, ANI)

CID Central Institute for the Deaf

CID Charge Injection Device (see CCD)

CID Computer Integrated Design

CIDIN Common Icao Data Interchange Network

CIM Computer Integrated Manufacturing

CIO Chief Information Officer

CIRRIS Cryogenic InfraRed Radiance Instrument for Shuttle [Space]CISC Complex Instruction Set Computer

CIT California Institute of Technology

CIT Case Institute of Technology (part of CWRU, Cleveland, OH)CIT Circumstellar Imaging Telescope [Space]

CLASP Comprehensive Logistics Automated Support Program

CLASS Custom Local Area Signaling Service [Telephony]

CLI Command Line Interpreter

CLID Calling Line ID [Telephony] (see also: CID, ANI)

CLNP Connectionless-mode Network Protocol

CLNS Connectionless-mode Network Service

CLR Combined Line and Recording

CLRC Circuit Layout Record Card

CLU Chartered Life Underwriter

CLUT Color LookUp Table

cm centimeters

CM Command Module (Apollo spacecraft) [Space]

CM Congregation of the Mission

CMC Communication Machinery Corp

CMD Centralized Message Distribution

CMIP Common Management Information Protocol

CMIS Common Management Information Services

CML Current Model Logic

CMMU Cache/Memory Management Unit

CMOS Complementary Metal Oxide Semiconductor (see MOS)

CMOT Common Management Information Services and Protocol Over TCP/IP

CMRR 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]

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)

CPCampus Police (MIT, others probably too)

CPthe Canadian Press

CPA Certified Public Accountant

CPE Customer Premises Equipment

CPE Customer Provided Equipment

CPFF Cost Plus Fixed Fee

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

CRCarriage 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

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

CTCentral Time

C&T Communications & Tracking [Space]

CTConnecticut

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]

CTNE Compania Telefonica Nacional de Espana

CTS Clear To Send (EIA RS-232-C)

CTS Compatible Timesharing System

CTV Canadian TeleVision network

CU Close-Up

CUA Common User Access

CUL See You Later [Net jargon]

CWO Cash With Order

CWO Chief Warrant Officer

CWRU Case Western Reserve University

CXI Common X-windows Interface

D/A Digital to Analog converter

DA Directory Assistance (/C = computerized, /M = Microfilm) [Telephony]

DA District Attorney

DA Don't Answer [Telephony] (may be more general)

DAC Digital to Analog Converter

DA/C Directory Assistance/Computerized

DACCS Digital Access Cross Connect System [Telephony] (suspect, see DACS)DACS Digital Access Cross-connect System [Telephony]

DAD Draft ADdendum

DAG Directed Acyclic Graph

DAL Dedicated Access Line [Telephony]

DA/M Directory Assistance/Microfilm

DAP Division Advisory Panel (of NSF (q.v.) DNCRI (q.v.))

DAR Daughters of the American Revolution

DARE Drug Abuse Resistance Education

DARPA Defense Advanced Research Projects Agency (of the DoD, see also ARPA)DASD Direct Access Storage Device

DAT Digital Audio Tape

DATA Defense Air Transport Administration

DAV Disabled American Veterans

DB DataBase

db decibel(s)

dba doing business as

DBF DBase Format

DBME DataBase Managment Environment

dbms DataBase Management System (rdbms for Relational )

DBRAD Data Base Relational Application Directory

DC Direct Current (dc, see also AC)

DC District of Columbia

DCA Defense Communications Agency

DCA Distributed Communication Architecture

DCA Document Content Architecture

DCC Descriptive Cataloging Committee

DCCO Defense Commercial Communications Office

DCD Data Carrier Detect (sometimes CD (q.v.)) (EIA RS-232-C)

DCE Data Communication Equipment

DCL Digital Command Language

DCP Distributed Communications Processor

DCTS Dimension Custom Telephone Service

DD Daredevils

DD Data Dictionary

DD Days after Date

DD Demand Draft

DD Dishonorable Discharge

DD Disk Drive

DD Doctor of Divinity

D&D Dungeons & Dragons

DDC Digital Data Converter

DDCU DC-to-DC Converter Unit [Space]

DDD Direct Distance Dialing [Telephony] (principally US, elsewhere STD)DDL Document Description Language

DDN Defense Data Network

DDP Distributed Data Processing

DDS Dataphone Digital Service [AT&T]

DDS Digital Data Service

DDS Direct Digital Service

DDS Doctor of Dental Science

DDS Doctor of Dental Surgery

DDT DEC Debugging Tape

DDT Di-<something> (pesticide)

DDT Dynamic Debugging Technique

DEDelaware

DEA Drug Enforcement Agency [US Government]

DEAR Department of Energy Acquisition Regulation

DEC Digital Equipment Corporation [Corporate name]

DECUS Digital Equipment Corporation Users Society

DES Data Encryption Standard [NIST]

DEW Distant Early Warning (as in DEW Line)

DFDamage Free

D/F Direction Finding

DFC Distinguished Flying Cross

DFD Data Flow Diagram

DFE Data Flow Editor

DFM Distinguished Flying Medal

DFN Deutsche Forschungsnetz Verein (German Research Network Association)DFRF Dryden Flight Research Facility [Space]

DFS Depth-First Search

DFW Dallas-Ft.Worth (regional airport)

DG Data General [Corporate name]

DG Dei Gratia (by the grace of God)

DG Director General

DGSC Defense General Supply Center

DHHS Department of Health and Human Services

DHSS british Department of Health and Social Security

DHSS Department of Health and Social Security (British)

DIA Document Interchange Architecture

DIAD (magnetic) Drum Information Assembler / Dispatcher

DIAL Direct Information Access Line

DIAS Defense Automatic Integrated System

DID Direct Inward Dialing [Telephony]

DIF Document Interchange Format

DIN Deutsches Institut fur Normung

DIRE Dire Is Really Emacs