Ca
calcium.
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Ca
1 AmericanSymbol, Chemistry.
CA
2
American
ca'
3
American
[kah, kaw]
/ kɑ, kɔ /
verb (used with or without object)
Scot.
ca-
4
American
ca.
5
American
abbreviation
-
cathode.
-
centiare.
-
Also ca (with a year) about.
ca. 476 b.c.
C/A
6
American
Or
c/a
-
capital account.
-
cash account.
-
credit account.
-
current account.
C.A.
7
American
abbreviation
-
Central America.
-
Accounting. chief accountant.
-
Coast Artillery.
-
commercial agent.
-
consular agent.
-
controller of accounts.
CA
1
British
abbreviation
-
California
-
Central America
-
chartered accountant
-
chief accountant
-
consular agent
-
(in Britain) Consumers' Association
C/A
2
British
abbreviation
-
capital account
-
credit account
-
current account
Ca
3
British
symbol
ca
4
British
abbreviation
ca.
5
British
abbreviation
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
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
A large number of what Ca da Mostro calls footmen—whom we nowadays call porters—were assembled at Melli to be ready to carry the salt from thence further away still into the heart of Africa.
From West African studies by Mary Henrietta Kingsley
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
He noted in a recent interview with StatNews published last week that his CA 19-9 levels—a common blood marker of pancreatic cancer—had plunged from north of 8,000 to about 374.
From The Wall Street Journal ● Apr. 19, 2026
Redwood logs are trucked to the Pacific Lumber Company in 1995 in Scotia, CA.
From Los Angeles Times ● Jan. 2, 2026
Then I took the envelope from my dresser, postmarked Oakland, CA.
From "P.S. Be Eleven" by Rita Williams-Garcia
Tak' my advice, forget a' aboot your dream-leddy, as ye ca' her; cast your e'e aboot on what ye can see an' grup, an', losh me! a faceable-lookin' man like you needna grapple lang.
From Betty Grier by Joseph Laing Waugh
"They ca' me 'breeks, but ma maiden name is Christy."
From Mr. Punch's Golf Stories by Various
It’s a rank stranger—a quare-lookin’ callant, wi’ big beard, and them sort o’ whiskers they ca’ moostachoes.
From The Child Wife by Mayne Reid
Cann′iness.—To ca' canny, to go or act cautiously.
From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various
"What wad you ca' it?" replied Cubby, grinnin.
From Wilson's Tales of the Borders and of Scotland, Vol. XX 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
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
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
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
The ca. sa. whereby the sheriff was ordered to seize the body of the defendant in execution could not issue at the instance of a successful plaintiff at common law.
From The Law and the Poor by Edward Abbott Parry
Norma Buster is the chief of staff at C.A.
From Salon ● Aug. 17, 2026
The practice of sending reporters out as a “one-man band” is not new, but it is more widespread today, said C.A.
From Seattle Times ● Jan. 20, 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
In the middle of March, Annie Seifullah and her colleagues at victims’ rights law firm C.A.
From Washington Post ● Oct. 28, 2020
The Adornment of the Spiritual Marriage, the Book of Truth, and the Sparkling Stone, trans. from the Flemish by C.A.
From The Life of the Spirit and the Life of To-day by Evelyn Underhill
With an accompanying essay by the art critic Jeffrey Kastner, the book is a worthy capstone for Mr. Eggleston’s career, providing a selection of almost 60 photographs taken between ca.
From The Wall Street Journal ● Jan. 9, 2026
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
This portrait by John Michael Wright was painted ca.
From Textbooks ● Dec. 30, 2014
“Et ton amie, ca va!” she asked casually—How’s your friend?
From "Code Name Verity" by Elizabeth Wein
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
