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
It is probably the calcium salt of both hydrochloric and hypochlorous acids, so that its structure is represented by the formula /ClO Ca \Cl.
From An Elementary Study of Chemistry by William McPherson
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 was founded by Brian Chesky, Nathan Blecharczyk and Joseph Gebbia in 2007 and is headquartered in San Francisco, CA.
From MarketWatch ● Aug. 7, 2026
Even so, he calculated, “Covered CA enrollees are paying 36% higher net premiums on average this year, along with a 17% average increase in out of pocket costs.”
From Los Angeles Times ● May 28, 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
"And whare's the bairns o' this house, That ca' me Lamkin?"
From English and Scottish Ballads (volume 3 of 8) by Various
"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
"They ca' me 'breeks, but ma maiden name is Christy."
From Mr. Punch's Golf Stories 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
I'll try to ca' a gayan substantial gird round your success, if I can hit the width o' the chance, and the girth o' the gear.
From The Shepherd's Calendar Volume I (of II) by James Hogg
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
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
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 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
"Enter satisfaction on the ca. sa.," said Grymes.
From The Memories of Fifty Years Containing Brief Biographical Notices of Distinguished Americans, and Anecdotes of Remarkable Men; Interspersed with Scenes and Incidents Occurring during a Long Life of Observation Chiefly Spent in the Southwest by William Henry Sparks
Norma Buster is the chief of staff at C.A.
From Salon ● Aug. 17, 2026
Henley asked why Williams hadn’t shown up to the studio, C.A. told the authorities.
From Los Angeles Times ● Mar. 19, 2025
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
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
It was in 1838, however, that Professor C.A.
From The New Physics and Its Evolution by Lucien Poincaré
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
Dishes including this one, vit ca ri, make chowhounds hopeful.
From Washington Post ● Jan. 6, 2023
“Ah ri cas, ca mo ve he,” the witch teacher says.
From "A Step from Heaven" by An Na
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.
