This list contains acronyms, initialisms, and pseudo-blends that begin with the letter C.
An acronym is an abbreviation pronounced as a series of constituent letters; an initialism is an abbreviation whose pronunciation is wholly or partly the names of constituent letters; and a pseudo-blend is an abbreviation whose extra or omitted letters means that it cannot be considered 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, stands for and is read as something else; for example: MHz - Megahertz)
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Please add your own, in a quasi-dictionary order with lowercase treated the same as uppercase and ignoring non-alphanumeric characters (hyphens and such). This means that only alphanumeric characters have any significance in determining order, and that lowercase letters occupy the same ordering position as uppercase (in tie-breaker cases, list lower case first). For example: Algol appears before ALS. (This differs from a strict ASCII ordering.)
CA - (s) California (postal symbol) - Canada (NATO country code; ISO 3166 digram) - Catalonia - (i) Civil Affairs - Counter-Air
CAA - (i) Canadian Automobile Association - (NORAD) Center for Aerospace Analysis - (U.S.) Center for Army Analysis - (U.S. Army) Concepts Analysis Agency
CEPT - (a/i) Conference européenne des administrations des postes et des télécommunications (European Conference of Postal and Telecommunications Administrations)
CERDEC - U.S. Communications-Electronics Research, Development and Engineering Center
CERGA - (a) Centre de recherches en géodynamique et astrométrie
CERN - (a) Centre européen pour la recherche nucléaire
