(Main list of acronyms)
__NOTOC__ c – (s) Centi C – (s) Carbon – Coulomb – One Hundred (in Roman numerals)
C0–9 C2 or C2 – (i) Command and Control c2c – (s) the British rail company formerly known as LTS Rail C2C (p) Coast to Coast Athletic Conference Consumer-To-Consumer electronic commerce Cam-To-Cam internet chat C2D or C2D – (i) Intel Core 2 Duo C2IEDM or C2IEDM – (i) Command and Control Information Exchange Data Model C2IS or C2IS – (i) Command and Control Information System C2PC or C2PC – (i) Command and Control Personal Computer C2V or C2V – (i) Command and Control Vehicle C2W or C2W – (i) Command and Control Warfare C3 or C3 (i) Colorectal Cancer Condition Command, Control, and Communications C3I or C3I – (i) Command, Control, Communications, and Intelligence C4 or C4 – (i) Command, Control, Communications, and Computers C4I or C4I – (i) Command, Control, Communications, Computers, and Intelligence C4ISR or C4ISR – (i) Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance
CA ca – (s) Catalan language (ISO 639-1 code) Ca – (s) Calcium CA (s) California (postal symbol) Canada (FIPS 10-4 country code; ISO 3166 digram) Catalonia (i) Civil Affairs Close Armour Cocaine Anonymous Computer Associates Counter-Air Cricket Australia CAA (i) Canadian Automobile Association (NORAD) Center for Aerospace Analysis (U.S.) Center for Army Analysis (U.S.) Clean Air Act (U.S. Army) Concepts Analysis Agency Civil Aviation Authority Coastal Athletic Association or its former name of Colonial Athletic Association CAAT (i) or (a) Campaign Against Arms Trade Center for Alternatives to Animal Testing CAB – Civil Aeronautics Board CABB (p/i) – Confederación Argentina de Básquetbol (Spanish, "Argentine Basketball Confederation") CAC (i) California Association of Criminalists Chronic Asymptomatic [Disease] Carrier CACM (i) Central American Common Market (i) Communications of the ACM CAD (s) Canadian dollar (ISO 4217 currency code) (a) Computer-Aided Design Computer-Aided Dispatch Cpplint Anxiety Disorder - (a) Condition suffered by software developers who worry about whether they've left any whitespace on the end of a line CADCAM – (a) Computer-Aided Design/Computer-Aided Manufacturing CADMID – (a) Concept, Assessment, Demonstration, Manufacture, In service, Disposal (life cycle mnemonic) CADPAT – (p) CAnadian Disruptive PATtern CADT – Child/Adolescent Day Treatment CAE (i) Canadian Aviation Electronics (originally) Certificate in Advanced English CAEn – (i/a) Close Action Engagement (constructive simulation) CAF (s) Central African Republic (ISO 3166 trigram) (i) Confederation of African Football (or French Confédération Africaine de Football) CAFAD – (a) Combined Arms For Air Defence CAFDE (a) Canadian Association of Film Distributors and Exporters Computer Aided Federation Development Environment CAFE – (a) Corporate Average Fuel Economy standard CAI – (i) Computer Assisted Instruction CAIR – (i) Council on American-Islamic Relations Calabarzon – (p) A region in the Philippines: CAvite, LAguna, BAtangas, Rizal, queZON CALL – (a) (U.S.) Center for Army Lessons Learned CALM – (p) Communications, Air-interface, Long and Medium range CalPERS – (p) California Public Employees' Retirement System CalSTRS – (p) California State Teachers' Retirement System Caltrans – (p) California Department of Transportation CAM (a) Chemical Agent Monitor Complementary and alternative medicine Computer-Aided Manufacturing Crassulacean acid metabolism (type of photosynthesis) CAMRA – (p) CAMpaign for Real Ale CAN – (s) Canada (ISO 3166 trigram) CANA – (a) Convulsive Antidote, Nerve Agent CANDU – (p) CANada Deuterium Uranium (nuclear reactor design) Canola – (p) Canadian oil, low acid (referring to a specific cultivar of rapeseed bred to have a low erucic acid content) CAP (i) Combat Air Patrol Civil Air Patrol Common [Operating/Operational] Air Picture Crisis Action Procedures Common Agricultural Policy (European Union) CAPES (p) CAPability Evaluation System (a) Combined Arms Planning and Execution System CAPTCHA – Completely Automated Public Turing test to tell Computers and Humans Apart CAQ – (i) Coalition Avenir Québec (French, "Coalition for Québec's Future"; political party in that Canadian province) CARB (i) – California Air Resources Board CARE (a) Citizens' Association for Racial Equality (former New Zealand organisation) (p) Community database on Accidents on the Roads in Europe (a) Cooperative for Aid and Relief Everywhere (originally Cooperative for American Remittances to Europe) CARMONETTE – (p) Computerized Monte Carlo Simulation CARP – (a) Computed Air Release Point CART – (a) Championship Auto Racing Teams (now defunct) CAS (i) Chemical Abstracts Service Chief of the Air Staff Close Air Support CASA –(a) Civil Aviation Safety Authority CASE (a) Cellular ammunition storage equipment Computer-Aided Software Engineering CASS – (a) Command Activated Sonobuoy System CASTFOREM – (p) Combined Arms and Support Task Force Evaluation Model CASTOR – (a) Canadian Automatic Small Telescopes for Orbital Research cat – (s) Catalan language (ISO 639-2 code) CAT (a) Community Acceptance Testing Computer-Assisted (or Axial) Tomography CATK – (p) Counterattack CATS – (a) Computer Active Technology Suspension CATT – (a/i) Combined Arms Tactical Trainer CAV – (p) Cavalry CAVE - Citizens Against Virtually Everything CAVOK – (p) Ceiling And Visibility OK ("Kav-okay") CAW – (i) Canadian Auto Workers (trade union)
CB CB (i) Citizens' Band radio (s) Cambodia (FIPS 10-4 country code) CBASSE – (a) Commission on Behavioral And Social Sciences and Education ("sea bass") CBC (i) Canadian Broadcasting Corporation Christmas Bird Count Cipher-Block Chaining Cornering Brake Control CBE (i) Commander of the Order of the British Empire Cab Beside Engine (see truck) CBF – (i) Confederação Brasileira de Futebol (Portuguese, "Brazilian Football Confederation") CBGB – (i) Country, Blue Grass, and Blues (former New York City nightclub) CBLA – (i) Comparative bullet lead analysis CBN – CardsApp Brand Number CBM – many, including Canadian Baptist Ministries and Commodore Business Machines; see entry CBML – (i) Coalition Battle Management Language CBOL – (i) Consortium for the Barcode of Life CBOT – (i) Chicago Board of Trade CBP – (i) (U.S.) Customs and Border Protection CBR – (i) Case-Based Reasoning CBRE (i) Canadian Brotherhood of Railway Employees Certified broadcast radio engineer (U.S. professional certification) Chemical, Biological, Radiological and Explosive Defence Group (Singapore) Coldwell Banker Richard Ellis CBRN – (i) Chemical, Biological, Radiological, or Nuclear (weapon or event) CBRNE – (i) Chemical, Biological, Radiological, Nuclear or [high-yield] Explosive (weapon or event) CBS (i) Columbia Broadcasting System Corps Battle Simulation CBT (i) Cock and Ball Torture (i) Cognitive Behaviour Therapy (i) Closed Beta Test (p) Combat CBUS – (i) Columbus, Ohio
CC CC – many, including carbon copy; see entry CCA – (i) Counter Command Activity CCC CCC - (p/i) Coricidin Cough & Cold CCC (i) Canterbury Clothing Company Civilian Conservation Corps (U.S., 1930s and 1940s) Corpus Christi College, Oxford CCCAA – (p/i) California Community College Athletic Association (usually pronounced "3C-2A") CCCP (i) Central Committee of the Communist Party Cyrillic for SSSR (Soyuz Sovetskikh Sotsialisticheskikh Respublik, Russian Союз Советских Социалистических Республик, Union of Soviet Socialist Republics) CCD (i) Charge-Coupled Device Confraternity of Christian Doctrine (Catechism) CCF – (i) Cartoon Cartoon Fridays CCG (i) Canadian Coast Guard Collectible Card Game CCGC (i) Canadian Coast Guard Cutter Canadian Coast Guard College CCGH – (i) Canadian Coast Guard Hovercraft CCGS (i) Canadian Coast Guard Ship Christ Church Grammar School CCH – (i) Computer-Controlled Hostile CCIF – (p) Comité consultatif international des communications téléphoniques à grande distance (French for International Telephone Consultative Committee, merged with the CCIT in 1956 to form the CCITT) CCII (i) Command and Control Information Infrastructure Community Capital Investment Initiative CCIR (i) Comité consultatif international pour la radio (French for Consultative Committee on International Radio, became the ITU Radiocommunication Sector, ITU-R, in 1992) commander's critical information requirement CCIT – (p) Comité consultatif international télégraphique (French for International Telegraph Consultative Committee, merged with the CCIF in 1956 to form the CCITT) CCITT – (p) Comité consultatif international téléphonique et télégraphique (French for International Telegraph and Telephone Consultative Committee, became the ITU Telecommunication Standardization Sector, ITU-T, in 1992) CCK (p) Cholecystokinin (s) Cocos (Keeling) Islands (ISO 3166 trigram) CCM (i) Canada Cycle & Motor Co. Ltd. (now split into two separate companies bearing the CCM name, one manufacturing bicycles and the other ice hockey equipment) Contemporary Christian music Cape Cod Mall CCOC (i) Canadian Children's Opera Chorus CCOP – (i) Coalition Common Operating/Operational Picture CCP (i) Casualty Collection Point Communications Checkpoint Contingency Communications Package CCPA – (i) Consumer Credit Protection Act CCR (i) Covenants, conditions, and restrictions (related to real estate, especially in the US) Creedence Clearwater Revival CCRAp – (p) Canadian Conservative Reform Alliance party CCRP – (i) Command and Control Research Program CCRTS – (i) Command and Control Research and Technology Symposium CCSCS – (a) Coordinadora de Centrales Sindicales del Cono Sur CCSCS – (i) Consultative Committee for Space Data Systems CCSIL – (i) Command and Control Simulation Interface Language ("cecil") CCSK – (i) Cyclic Code Shift Keying CCT – (i) Current Commitments Team CCTT – (i) Close Combat Tactical Trainer
CD cd – (s) Candela Cd – (s) Cadmium CD – many, including Compact Disc; see entry CD1 – (i) Cluster of Differentiation 1 (a small gene family) CDA – (i) UK Centre for Defence Analysis CDC (i) Centers for Disease Control and Prevention (originally (U.S.) Communicable Disease Center) Control Data Corporation Cult of the Dead Cow CDD – (i) Capabilities Development Document CDE – (i) Chemical Defence Equipment CDEC – (i) U.S. Combat Development Experimentation Center CDF (i) California Department of Forestry [and Fire Protection] Common Data Format (s) Democratic Republic of Congo franc congolais (ISO 4217 currency code) CDIAC – (a) Carbon Dioxide Information Analysis Center ("see-dee-ack") CDipAF – (i) Certified Diploma in Accounting and Finance CDL – (i) Commercial driver's license CDM (i) Clean Development Mechanism (Kyoto protocol) Cold Dark Matter (astronomy) CDMA – (i) Code Division Multiple Access CDMO – (i) Contract Development & Manufacturing Organizations CDMSII – (p) Cryogenic Dark Matter Search II CDMX – (p) Ciudad de México, the Spanish name of Mexico City Cdr – (p) Commander CDS (i) Chief of the Defence Staff Credit default swap Cdt – (p) Commandant CDT – (i) Central Daylight Time (UTC−5 hours)
CE ce – (s) Chechen language (ISO 639-1 code) Ce – (s) Cerium CE – many, including Christian/Common Era (cf. AD); see entry CEA – (i) Campaign Effectiveness Analysis CECOM – (p) U.S. Army Communications and Electronics Command CECOT – (p) Centro de Confinamiento del Terrorismo (Spanish, "Terrorism Confinement Center"), maximum-security prison in El Salvador CEDEX – (p) Courrier d'entreprise à distribution exceptionnelle (French, "Company Mail with Exceptional Distribution"; "exceptional" refers to the volume of mail)