Word.ws English Dictionary

ca

ca is the alternative spelling of ca.

Proper noun capitalized: CA

CA

  1. (abbreviation) Abbreviation of California: a state of the United States.
  2. (abbreviation) Abbreviation of Canada: a country in North America.
  3. (Canadian, abbreviation, initialism) Initialism of Canadian Alliance, Conservative-Reform Alliance Party, Reform-Conservative Alliance Party.
  4. (abbreviation, initialism) Initialism of Computer Associates, an American software company.
  5. (abbreviation) Abbreviation of Cricket Australia, the governing body of cricket in Australia.
  6. (Philippines, abbreviation) Abbreviation of Clark Airbase.
  7. (Philippines, abbreviation) Abbreviation of Commission on Appointments.
  8. (abbreviation) Abbreviation of Classical Arabic

Noun capitalized: CA

CA (countable and uncountable, plural CAs)

  1. (abbreviation, initialism) Initialism of cellular automaton.
    • BTW: Of course the rules were parametrised, so any totalistic 2-dimensional 9-neighbourhood CA could be run.1989 March 21, Mark Kramer, “Fast LIFE (was: Re: summing 9-cell neighborhoods)”, in comp.theory.cell-automata (Usenet)
    • The new CA is a modification of Fredkin's earlier SALT architecture in which every cell is identified as either even or odd - as in sodium and chlorine in a salt crystal hence the name. The state of each cell is either up or down and the development rule simple takes account of states of odd and...2012 July 3, Mike James, “A New Computational Universe - Fredkin's SALT CA”, in www.i-programmer.info, retrieved 25 Oct 2012
  2. (abbreviation, initialism) Initialism of certificate authority.
    • Well-designed CAs will create a trust hierarchy, which consists of a root with a number of subroots, to further enhance protection of the private key.2003, Kapil Raina, PKI Security Solutions for the Enterprise, page 30
  3. (US, abbreviation, initialism) Initialism of armored cruiser, a type of warship.
  4. (US, abbreviation, initialism) Initialism of heavy cruiser, a variant of the cruiser type of warship.
  5. (US, abbreviation, initialism) Initialism of civil affairs, a military occupational specialty or branch.
  6. (abbreviation) Abbreviation of cyanoacrylate.
  7. (Australia, Canada, New Zealand, Scotland, South Africa, abbreviation) Initialism of chartered accountant.
  8. (Japan, abbreviation, initialism) Initialism of cabin attendant.
  9. (abbreviation, initialism) Initialism of central authority.
  10. (UK, abbreviation, initialism) Initialism of combined authority.
  11. (UK, abbreviation, initialism) Initialism of Companies Act.
  12. (abbreviation, initialism) Initialism of communications assistant.
Show 3 more meaningsShow fewer meanings
  1. (abbreviation, initialism) Initialism of closed access, as opposed to open access.
  2. (abbreviation, initialism, uncountable) Initialism of conversation analysis.
  3. (abbreviation, initialism) Initialism of civic amenity.

Synonyms of ca

Forms of ca

pluralCAs

Phrases with ca

Questions about ca

What is ca the alternative spelling of?
Ca is the alternative spelling of ca.
What part of speech is ca?
Ca can be a proper noun or a noun.

Words near ca in the dictionary

  1. C9s
  2. c@
  3. c@s
  4. C`num`
  5. C`vert`N`gt`K
  6. ca
  7. ca canny
  8. ca' canny
  9. ca' cannyism
  10. ca'canny
  11. ca'ing whale

Source and license

Adapted from Wiktionary: ca (page history and authors); CA (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “ca.” Word.ws, https://word.ws/ca. Based on Wiktionary, CC BY-SA 4.0.