Ca

¹ American  

Symbol, Chemistry.

1. calcium.

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CA ² American  

abbreviation

1. California (approved especially for use with zip code).

2. chronological age.

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ca' ³ American  

[kah, kaw] / kɑ, kɔ /

verb (used with or without object)

Scot.

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

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ca- ⁴ American  

1. variant of ker-.

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ca. ⁵ American  

abbreviation

1. cathode.

2. centiare.

3. Also ca (with a year) about.

   ca. 476 b.c.

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C/A ⁶ American  

Or c/a

1. capital account.

2. cash account.

3. credit account.

4. current account.

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C.A. ⁷ American  

abbreviation

1. Central America.

2. chartered accountant.

3. Accounting. chief accountant.

4. Coast Artillery.

5. commercial agent.

6. consular agent.

7. controller of accounts.

8. current assets.

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CA ¹ British  

abbreviation

1. California

2. Central America

3. chartered accountant

4. chief accountant

5. consular agent

6. (in Britain) Consumers' Association

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C/A ² British  

abbreviation

1. capital account

2. credit account

3. current account

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Ca ³ British  

symbol

1. calcium

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ca ⁴ British  

abbreviation

1. Canada

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ca. ⁵ British  

abbreviation

1. circa

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Etymology

Origin of ca'³

Variant of call

Origin of ca.⁵

ca. ( def. 3 ) < Latin circā

Example Sentences

She was treated on the slope for a lengthy period before being airlifted off the piste to Ca Foncello hospital in Treviso, where she underwent surgery on a fractured left leg.

From BBC • Feb. 9, 2026

“The gift return is an informational return because there is a lot of information and no tax being sent to the IRS,” says LSL CPAs, which is headquartered in Irvine, Ca.

From MarketWatch • Dec. 7, 2025

Another favorite is the Whole Fish Cha Ca, where the wine’s dry citrus profile enhances the flavors in the marinade, bringing out the best in both the dish and the wine.

From Salon • Dec. 1, 2024

Credit stress at Country Garden, which Moody's rates as Ca with a negative outlook, has amplified investors' risk aversion, Cedric Lai, an analyst at the agency said in a statement.

From Reuters • Sep. 14, 2023

Vertebrae: C 7, D 10, L 10 or 11, Ca 19 or 20; total 46 to 48.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various