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List of acronyms: C

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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 if it were a word, e.g., SARS = severe acute respiratory syndrome, pronounced to rhyme with cars
  • initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD = compact disc, pronounced cee dee
  • pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or portmanteau (a word formed by combining two or more words).
(a) = acronym, e.g.: SARS – (a) severe acute respiratory syndrome
(i) = initialism, e.g.: CD – (i) compact disc
(p) = pseudo-blend, e.g.: UNIFEM – (p) United Nations Development Fund for Women
(s) = symbol (none of the above, representing and pronounced as something else; for example: MHz – megahertz)

Some terms are spoken as either acronym or initialism, e.g., VoIP, pronounced both as voyp and V-O-I-P.

(Main list of acronyms)

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
  • 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

CB

CC

CD

CE

CF

CG

CH

CI

CJ

CK

CL

CM

CN

  • CN
  • CNA
    • (i) Center for Naval Analyses
    • Certified Network Administrator
    • Computer Network Attack
    • Continental (Casualty Company), National (Fire Insurance Company), and American (Casualty Company), the three companies that merged to form what is now known as CNA Financial
  • CNBC – (a/i) Consumer News and Business Channel
  • CND
    • (i) Campaign for Nuclear Disarmament
    • Computer Network Defence
  • CNE
    • (i) Canadian National Exhibition
    • Computer Network Exploitation
    • Certified Network Engineer
  • CNF – (p) Cost and Freight
  • CNI – (i) Communications, Navigation and Identification
  • CNI – (a) Clinical Nursing Intern
  • CNN
  • CNO – (i) Computer Network Operations
  • CNR
  • CNV – (i) Copy-Number Variable (genetics)
  • CNY – (s) Chinese yuan renminbi (ISO 4217 currency code)

CO

CP

CQ

CR

CS

CT

CU

CV

CW

CX

CY

CZ

See also

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