CA

UK: /ˌsiːˈeɪ/

WordReference Random House Learner's Dictionary of American English © 2026

CA,  an abbreviation of:

1. Place Names California.

ca or ca., an abbreviation of:

1. circa (used with a year):
   ca 476
   b.c.

Collins Concise English Dictionary © HarperCollins Publishers::

CA abbreviation

1. California
2. Central America
3. chartered accountant
4. chief accountant
5. (in Britain) Consumers' Association

WordReference Random House Unabridged Dictionary of American English © 2026

ca'  (kä, kô), v.t., v.i. [Scot.]

1. Scottish Terms to call, as to call an animal toward one;
   urge forward by calling.

• variant of call

CA, 

1. Place Names California (approved esp. for use with zip code).
2. chronological age.

Ca, Symbol,[Chem.]

1. Chemistry calcium.

ca-, 

1. var. of ker-. 

ca., 

1. Electricity cathode.
2. centiare.
3. Also, ca (with a year) about:
   ca. 476
   b.c.
• Latin circā
• (def. 3)

C.A., 

1. Place Names Central America.
2. Business See chartered accountant. 
3. Business [Accountableing.] chief accountant.
4. Military Coast Artillery.
5. Business commercial agent.
6. consular agent.
7. Business controller of accounts.
8. Business See current assets. 

C/A, 

1. Business capital account.
2. Business cash account.
3. Business credit account.
4. Business current account.

Collins Concise English Dictionary © HarperCollins Publishers::

Ca symbol:chemical

1. calcium