3-letter words starting with c
- ccu — coronary care unit
- cd4 — designating or of a biochemical receptor found on the surface of various cells, esp. helper T cells: HIV binds to this receptor
- cda — 1. (file format) Compound Document Architecture. 2. (legal) Communications Decency Act.
- cdc — (in the US) Center for Disease Control
- cde — compact disc erasable: a compact disc that can be used to record and rerecord
- cdf — cumulative distribution function
- cdl — 1. Computer Definition [Design?] Language. A hardware description language. "Computer Organisation and Microprogramming", Yaohan Chu, P-H 1970. 2. Command Definition Language. Portion of ICES used to implement commands. Sammet 1969, p.618-620. 3. Compiler Description Language. C.H.A. Koster, 1969. Intended for implementation of the rules of an affix grammar by recursive procedures. A procedure may be a set of tree-structured alternatives, each alternative is executed until one successfully exits. Used in a portable COBOL-74 compiler from MPB, mprolog system from SzKI, and the Mephisto chess computer. "CDL: A Compiler Implementation Language", in Methods of Algorithmic Language Implementation, C.H.A. Koster, LNCS 47, Springer 1977, pp.341-351. "Using the CDL Compiler Compiler", C.H.A. Koster, 1974. Versions: CDL2, CDLM used at Manchester. 4. Common Design Language. "Common Design Language", IBM, Software Engineering Inst, Sept 1983. 5. Control Definition Language. Ideas which contributed to Smalltalk.
- cdm — 1. Content Data Model 2. Code Division Multiplexing
- cdn — Canadian
- cdo — collateralized debt obligation
- cdr — Cdr is the written abbreviation for commander when it is used as a title.
- cds — credit default swap
- cdt — Central Daylight Time
- cdu — Christlich-Demokratische Union: a German (until 1990 West German) political party
- cdv — CD-video
- cdw — collision damage waiver: extra insurance covering damage to or loss of a rented vehicle
- cea — carcinoembryonic antigen
- cee — the letter C
- cel — a transparent celluloid sheet on which a character, scene, etc., is drawn or painted and which constitutes one frame in the filming of an animated cartoon: may be overlapped for change of background or foreground.
- cen — central
- ceo — CEO is an abbreviation for chief executive officer.
- cep — an edible mushroom, Boletus edulis, that grows wild under pine or other evergreen trees: prized for its flavor.
- cer — Closer Economic Relations: a trade agreement between Australia and New Zealand signed in 1983
- cet — Central European Time
- cf. — cf. is used in writing to introduce something that should be considered in connection with the subject you are discussing.
- cfb — Canadian Forces Base
- cfc — CFCs are gases that are used in things such as aerosols and refrigerators and can cause damage to the ozone layer. CFC is an abbreviation for 'chlorofluorocarbon'.
- cfd — computational fluid dynamics
- cfe — College of Further Education
- cfg — context-free grammar
- cfi — cost, freight, and insurance (included in the price quoted)
- cfl — Canadian Football League
- cfm — cubic feet per minute
- cfo — chief financial officer
- cfp — certified financial planner
- cfs — CFS is an abbreviation for chronic fatigue syndrome.
- cga — colour graphics adaptor
- cgi — CGI is a type of computer technology that is used to make special effects in cinema and on television. CGI is an abbreviation for computer-generated imagery.
- cgm — Conspicuous Gallantry Medal
- cgs — Chief of General Staff
- cgt — capital gains tax
- ch. — Ch. is a written abbreviation for chapter.
- cha — tea
- chb — Bachelor of Surgery
- che — Chemical Engineer
- chi — the 22nd letter of the Greek alphabet (Χ, χ), a consonant, transliterated as ch or rarely kh
- chm — Master of Surgery
- chp — Combined Heat and Power: the production of both heat and electricity from the same device or power plant
- chr — Christian
- chu — a river in SE Kazakhstan, flowing NE from the Tian Shan, near the Kyrgyz border, into the desert. 700 miles (1126 km) long.