List of acronyms and initialisms: C
This list contains acronyms, initialisms, and pseudo-blends that begin with the letter C.
For the purposes of this list:
- acronym = an abbreviation pronounced as a series of constituent letters, e.g., SARS = severe acute respiratory syndrome
- initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc
- pseudo-blend = an abbreviation whose extra or omitted letters means that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
- (a) = acronym in the example: SARS – (a) Severe acute respiratory syndrome
- (i) = initialism in the example: CD – (i) Compact disc
- (p) = pseudo-blend in the example: UNIFEM – (p) United Nations Development Fund for Women
- (s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – Megahertz)
(Main list of acronyms and initialisms)
C0–9
- C2 or C2 – (i) Command and Control
- c2c – (s) the British rail company formerly known as LTS Rail
- C2C – (p) Consumer-To-Consumer electronic commerce – Cam-To-Cam internet chat
- C2D or C2D – (i) Intel Core 2 Duo – CERDEC Command and Control Directorate
- 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
- CAA
- CAAT
- CAC
- (i) California Association of Criminalists
- Chronic Asymptomatic [Disease] Carrier
- CACM (i) Central American Common Market
- CACM – (i) Communications of the ACM
- CAD
- CADCAM – (a) Computer-Aided Design/Computer-Aided Manufacturing
- CADPAT – (p) CAnadian Disruptive PATtern
- CADMID – (a) Concept, Assessment, Demonstration, Manufacture, In service, Disposal (life cycle mnemonic)
- CAE
- CAEn – (i/a) Close Action Engagement (constructive simulation)
- CAF
- 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
- Caltrans – (p) California Department of Transpotation
- CAM
- 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
- CAPES
- (p) CAPability Evaluation System
- (a) Combined Arms Planning and Execution System
- CARE
- CARMONETTE – (p) Computerized Monte Carlo Simulation
- CARP – (a) Computed Air Release Point
- CART – (a) Championship Auto Racing Teams (now defunct)
- CAS
- CASE
- 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
- CATK – (p) Counterattack
- CATS – (a) Computer Active Technology Suspension
- CATT – (a/i) Combined Arms Tactical Trainer
- CAV – (p) Cavalry
- CAVOK – (p) Ceiling And Visibility OK ("Kav-okay")
- CAW – (i) Canadian Auto Workers (trade union)
CB
- CB
- CBASSE – (a) Commission on Behavioral And Social Sciences and Education ("sea bass")
- CBC
- CBE
- 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
- 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
- CBR – (i) Case-Based Reasoning
- CBRN – (i) Chemical, Biological, Radiological, or Nuclear (weapon or event)
- CBRNE – (i) Chemical, Biological, Radiological, Nuclear or [high-yield] Explosive (weapon or event)
- CBS
- CBT
- (i) Cognitive Behaviour Therapy
- (p) Combat
- CBUS – (i) Columbus, Ohio
CC
- CC – many, including carbon copy; see entry
- CCA – (i) Counter Command Activity
- CCC
- CCCP
- CCD
- CCF – (i) Cartoon Cartoon Fridays
- CCG
- (i) Canadian Coast Guard
- Collectible Card Game
- CCGC
- CCGH – (i) Canadian Coast Guard Hovercraft
- CCGS
- 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
- 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
- CCM
- CCOC
- 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) 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
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
- CEDEX – (p) Courrier d'entreprise à distribution exceptionnelle (French, "Company Mail with Exceptional Distribution"; "exceptional" refers to the volume of mail)
- CEGEP – (i) Collège d'enseignement général et professionnel (French, "College of General and Vocational Education")
- CEI – (i) Competitive Enterprise Institute
- CENTCOM – (p) United States Central Command
- CENTO – (a) Central Treaty Organization (Baghdad Pact)
- CENZUB – (p) Centre d'entraînement aux actions en zone urbaine (French, "Urban Operations Training Centre")
- CEO – (i) Chief Executive Officer
- CEP – (i) Circular Error Probable
- CEPT – (a/i) Conférence européenne des administrations des postes et des télécommunications (French, "European Conference of Postal and Telecommunications Administrations")
- CERCLA – (a) U.S. Comprehensive Environmental Response, Compensation, and Liability Act (Superfund)
- CERDEC – U.S. Communications-Electronics Research, Development and Engineering Center
- CERGA – (a) Centre de recherches en géodynamique et astrométrie (French, "Astrometry and Geodynamics Research Centre")
- CERN – (a) Centre européen pour la recherche nucléaire (French, "European Organization for Nuclear Research")
- CERT – (a) Computer Emergency Response Team
- ces – (s) Czech language (ISO 639-2 code)
- CESS – (i) Centre for Earth Science Studies (India)
- CEV – (i) Combat Engineer Vehicle – Crew Exploration Vehicle
- CEWC – (a/i) Council for Education in World Citizenship
CF
CG
CH
CI
- Ci – (s) Curie
- CI
- (s) Chile (FIPS 10-4 country code)
- Côte d'Ivoire (ISO 3166 digram)
- (i) Counter-Intelligence
- 101 (in Roman numerals)
- CIA
- CIAO
- CIB – (i) Complete In Box (Internet auction/trading listings)
- CIBC – (i) Canadian Imperial Bank of Commerce (obsolete)
- CICS – (a) Customer Information Control System (IBM mainframe software; "kicks" or "C-I-C-S")
- CID
- (p) Combat Identification
- (i) Criminal Investigation Division
- Criminal Investigations Department
- CID - Certified Interior Designer - A Certified Interior Designer (CID) licensed in New York (USA) plans, designs, supervises and/or consults on various aspects of interior spaces.
- CIÉ – (i) Commission internationale de l'éclairage
- CIEF – (i) Comité international d'enregistrement des fréquences (International Frequency Registration Board)
- CIF – (i) Cost, Insurance, and Freight (Paid) (shipping)
- CIMIC – (p) Civil-Military Co-operation
- CIMMYT – (a/i) Centro Internacional de Mejoramiento de Maíz Y Trigo (Spanish, "International Maize and Wheat Improvement Center")
- CINC – (p) Commander in Chief
- CINEOS – (a) Campo Imperatore Near-Earth Objects Survey
- CIO
- CIP – (a) Combat Identification Panel
- CIPE – (i) (European) Centre for International Political Economy
- CIR – (i) (Commander's) Critical Information Requirements
- CIR – (s) Corotating Interaction Region
- CIS
- CISA – (a) (U.S.) C4I Integration Support Activity
- CISB – (i) Complete In Sealed Box (Internet auction/trading listings)
- CISPR – (i) Comité international spécial des perturbations radioélectriques (Special International Committee on Radio Interference)
- CISSP – (i) Certified Information Systems Security Professional
- CITES – (p) Convention on International Trade in Endangered Species (of Wild Fauna and Flora) ("sigh-tease")
- CITS – (i) Combat Identification Training System
- CIV – (s) Côte d'Ivoire (ISO 3166 trigram)
- CIVETS – (a) Colombia, Indonesia, Vietnam, Egypt, Turkey, South Africa (economics)
- CIVPOP – (p) Civilian Population
- CIWS – (i) Close-In Weapon System
- CHRS – Canadian Heart Rhythm Society
CJ
CK
CL
CM
CN
CO
CP
CQ
CR
CS
CT
CU
CV
CW
CX
CY
CZ
See also