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  • Ca
    Ca
    calcium.
  • CA
    CA
    abbreviation
    California (approved especially for use with zip code).
  • ca'
    ca'
    verb (used with or without object)
    to call, as to call an animal toward one; urge forward by calling.
  • ca-
    ca-
    variant of ker-.
  • ca.
    ca.
    abbreviation
    cathode.
  • C/A
    C/A
    capital account.
  • C.A.
    C.A.
    abbreviation
    Central America.
  • ca
    ca
    abbreviation
    Canada
Synonyms

Ca

1 American  
Symbol, Chemistry.
  1. calcium.


CA 2 American  

abbreviation

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

  2. chronological age.


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.


ca- 4 American  
  1. variant of ker-.


ca. 5 American  

abbreviation

  1. cathode.

  2. centiare.

  3. Also ca (with a year) about.

    ca. 476 b.c.


C/A 6 American  
Or c/a
  1. capital account.

  2. cash account.

  3. credit account.

  4. current account.


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.


CA 1 British  

abbreviation

  1. California

  2. Central America

  3. chartered accountant

  4. chief accountant

  5. consular agent

  6. (in Britain) Consumers' Association

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

C/A 2 British  

abbreviation

  1. capital account

  2. credit account

  3. current account

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Ca 3 British  

symbol

  1. calcium

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ca 4 British  

abbreviation

  1. Canada

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ca. 5 British  

abbreviation

  1. circa

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ca'3

Variant of call

Origin of ca.5

ca. ( def. 3 ) < Latin circā


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Using specially designed nucleic acid probes, the team produced microscopic images showing intron RNA in living cells of Ca.

From Science Daily ● Aug. 5, 2026

He recalled when he was 15, growing up in the Vietnamese city of Ca Mau, he overheard his father’s friend ask for a loan to buy a car.

From Los Angeles Times ● Jul. 10, 2026

Cardinal Luis Antonio Tagle presided as papal envoy over a special mass in a church in Ca Mau for Father Francis Xavier Truong Buu Diep, a priest killed while protecting parishioners in 1946.

From Barron's ● Jul. 2, 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

Ca lyp' so—the goddess of Silence, daughter of Oceanos and Tethys, and queen of Ogygia.

From Odysseus, the Hero of Ithaca Adapted from the Third Book of the Primary Schools of Athens, Greece by Zénaïde A. (Zénaïde Alexeïevna) Ragozin

“Firefighters and CA State Parks Lifeguards accessed the vehicle, safely freed the dog, and carried it up to the roadway. Neither dog appeared to be injured,” the fire department said in a statement.

From Los Angeles Times ● Oct. 4, 2026

The study appears in CA: A Cancer Journal for Clinicians, the flagship journal of ACS, and is also available on cancer.org.

From Science Daily ● Sep. 7, 2026

The company is based in Hawthorne, CA and has subsidiaries in Luxembourg and the United States.

From MarketWatch ● Jul. 22, 2026

In an April 29 press release, Markon Cooperative, a farm-to-table produce cooperative, noted that cauliflower supplies from the Salinas Valley and Santa Maria, CA, are extremely limited.

From Salon ● May 27, 2026

Then I took the envelope from my dresser, postmarked Oakland, CA.

From "P.S. Be Eleven" by Rita Williams-Garcia

There's been a consultation atween Elder Willison an' John, as to the time o' their visit to Cubby's den, as they ca' it.

From Wilson's Tales of the Borders and of Scotland, Vol. XX by Alexander Leighton

"A man's nae great mechanic wha canna ca' thegither four white deals; and they that carry to the grave dinna trouble are by coming back to ask for their fare, as other carriers do."

From Wilson's Tales of the Borders and of Scotland, Vol. XX by Alexander Leighton

"Ye got a few nibbles last night from a dangerous bit beastie they ca' anopheles."

From The Coast of Adventure by Harold Bindloss

"I heard him ca' you a Souter amang a thousand, master; and that taunt will be heard tell o' yet."

From The Shepherd's Calendar Volume I (of II) by James Hogg

You will ca' at my office on Wednesday; and, after that, I'll tak care o' you.

From Wilson's Tales of the Borders and of Scotland Volume 21 by Alexander Leighton

She wants me to be indebted to her for my education, for my ca- reer, for my house.

From "The Queen of Water" by Laura Resau

Root grow thou long-er heart be thou strong-er; Let the sun bless me, soft-ly ca- ress me; Let rain-drops pat-ter, wind, my leaves scat-ter.

From The Story Hour by Nora Archibald Smith

The Wolfe deuoureth and ea- teth of his praie all in feare, and therefore oftentymes he ca- steth his looke, to be safe from perill and daunger.

From A booke called the Foundacion of Rhetorike because all other partes of Rhetorike are grounded thereupon, euery parte sette forthe in an Oracion vpon questions, verie profitable to bee knowen and redde by Richard Rainolde

It is the illumination of 85:3 the spiritual understanding which demonstrates the ca-         pacity of Soul, not of material sense.

From Science and Health, with Key to the Scriptures by Mary Baker Eddy

The human genome contains ca. 20,000 genes that are used for the construction of proteins.

From Science Daily ● Dec. 8, 2023

Described as “Garcia’s personal briefcase, with handwritten lyrics, drawings, letters, and ephemera, ca. 1977-1979,” the assorted paperwork offers a look at the musician’s daily life on the road.

From Los Angeles Times ● Oct. 7, 2021

In the 5th and 4th century the number of "eligible voters" was perhaps not higher than 10% out of a population of ca. 250,000.

From Economist ● Nov. 27, 2012

Part of the challenge was to create an interactive version of a city--in this case, Yokosuka, Japan, ca. 1986--in which you can knock on virtually every door on every street.

From Time Magazine Archive

Armed with his ca. sa., my neighbor Johnson offsets everybody's fi. fa., serves his writ the first, and makes to gentlemen like you a satisfactory quotient.

From The Entailed Hat Or, Patty Cannon's Times by George Alfred Townsend

“It was a landmark moment because it was guidance from the top,” said Katie McKay, a lawyer at C.A.

From The Wall Street Journal ● Oct. 7, 2026

Norma Buster is the chief of staff at C.A.

From Salon ● Aug. 17, 2026

C.A. designed several rowhouses but is perhaps best remembered for the apartment building known as Porter Flats, which no longer exists.

From Washington Post ● Sep. 23, 2022

Baker, for his part, isn’t too worried about losing his longtime home on the C.A.

From Los Angeles Times ● Nov. 9, 2021

After 1883 Bratianu acted as sole leader of the Liberals, owing to a quarrel with C.A.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various

The top-selling author has been accused of using AI to write his breakthrough French-language novel about migration titled "C'etait ca ou mourir," which was set to be translated in more than 20 countries.

From Barron's ● Oct. 14, 2026

For Mr. McWilliams, next to nothing is irrelevant to the story of man and money, including the first bicycle craze, ca.

From The Wall Street Journal ● Dec. 12, 2025

They recorded substantially higher levels of pollutants in the kitchen for well over an hour after the food had been cooked despite the cooking process only taking ca.

From Science Daily ● Nov. 26, 2024

But instead of giving her a ticket, he cleaned off her ca, she said.

From Seattle Times ● Mar. 16, 2023

“Et ton amie, ca va!” she asked casually—How’s your friend?

From "Code Name Verity" by Elizabeth Wein

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