ac
abbreviation
acre; acres.
Jump To:
ac
1 Americanabbreviation
Ac
3
American
Symbol, Chemistry.
AC
4
American
abbreviation
Electricity.
A/C
5
American
[ey-see]
/ ˈeɪˈsi /
Also
AC,
or
a/c
abbreviation
A/C
6
American
Or
a/c
ac-
7
American
-ac
8
American
a.c.
9
American
abbreviation
A.C.
10
American
abbreviation
A.C.
11
American
abbreviation
-
Army Corps.
-
Athletic Club.
a.c.
1
British
abbreviation
AC
2
British
abbreviation
-
alternating current Compare DC
-
ante Christum
-
Air Corps
-
athletic club
-
Companion of the Order of Australia
-
appellation d'origine contrôlée: the highest French wine classification; indicates that the wine meets strict requirements concerning area of production, strength, etc See VDQS vin de pays vin de table
-
Aelodau'r Cynulliad: Member of the Assembly (that is, the National Assembly of Wales)
ac
3
British
abbreviation
A/C
4
British
abbreviation
a/c
5
British
abbreviation
-
account
-
account current
Ac
6
British
symbol
AC
Scientific
Etymology
Origin of -ac8
From Latin -acus, from Greek -akos
Origin of a.c.9
From Latin ante cibum
Origin of A.C.10
From Latin ante Christum
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:
Our Welsh language friends can start listening to the big match build-up now by using the Carl ac Alun link above.
From BBC ● Mar. 25, 2024
He was a very well-known, established character ac even before "I Love Lucy."
From Fox News ● Jun. 5, 2021
Comparing not having A/C to 100 years ago when there was no ac is not a fair comparison.
From New York Times ● Aug. 15, 2016
Because ac = Δv / Δt , the acceleration is also toward the center; ac is called centripetal acceleration.
From Textbooks ● Aug. 12, 2015
It stood just ac ross from the cobhoust, a tumbledown shed full of stuff left there in Grandpa Dowdel’s time.
From "A Long Way from Chicago" by Richard Peck
No attorney is listed on court documents for Balcarcel Ac.
From Seattle Times ● Jul. 8, 2022
Balcarcel Ac was not arrested until July 5.
From Seattle Times ● Jul. 8, 2022
Even to copy a relatively short paper, “Proc Nat Ac Sci”—“Proceedings of the National Academy of Sciences”—could take the better part of an hour.
From The New Yorker ● Jan. 6, 2020
Actinium, Ac, is the first member of the fourth transition series, which also includes Rf through Rg.
From Textbooks ● Feb. 14, 2019
Ac helle king is are les with þa þe he mei binden. þe þe deþ is wille mest; he haueð wurst mede.
From Selections from early Middle English, 1130-1250 Part I: Texts by Joseph Hall
A broken car AC and soaring L.A. summer temperatures sent one writer on a search for cooling remedies and tonics.
From Los Angeles Times ● Sep. 2, 2026
They are also entitled to say United don't seem to be able to defend solidly against opponents who play with wing-backs, as AC Milan did last week and Hull on Saturday.
From BBC ● Aug. 22, 2026
This style of play suits the strengths of Kobbie Mainoo too, who returned to action with a cameo in Saturday's 4-2 defeat by AC Milan.
From BBC ● Aug. 19, 2026
Productivity plummets when workers without AC suffer from heat stress.
From The Wall Street Journal ● Aug. 18, 2026
Before I started writing, I went to the thermostat and blasted the AC to sixty-five degrees.
From "The Epic Fail of Arturo Zamora" by Pablo Cartaya
To study the process, the researchers developed a mouse model in which they could switch off the lamin A/C gene specifically in adipocytes.
From Science Daily ● Jul. 26, 2026
Appeared in the July 25, 2026, print edition as 'Notable & Quotable: A/C'.
From The Wall Street Journal ● Jul. 24, 2026
A team led by Hong Kong researchers recently created an A/C alternative that achieved a cooling power of 1,284W—the first time an elastocaloric device surpassed the 1,000W mark.
From BBC ● May 19, 2025
You’re cruising down the 101 Freeway in 2050, A/C cranking and music blaring, when you spot a relic from another era: a late 2020s crossover SUV.
From Los Angeles Times ● Sep. 9, 2024
Roy waited inside for a while, but without A/C it was unbearably hot and sticky.
From "Hoot" by Carl Hiaasen
Still, with the prices of many commodities climbing, the companies couldn’t ac- commodate price shocks, so they often wound up hiring banks to hedge their vulnerability to volatile product markets.
From MSNBC ● Jun. 4, 2014
“I suppose the problem at the moment is that we don’t have a one- to-one mapping, because even our best theories aren’t completely ac- curate,” Ladyman said.
From Scientific American ● Jan. 31, 2014
The government has devised civic ac- tion programs to rebuild damaged hamlets, and anti-guerrilla patrols are often accompanied by doctors who bring free medical care to the hill people.
From Time Magazine Archive
She is all that is artistic without being vulgar and is the one ac- tress today who can wink without being suggestive.
From Time Magazine Archive
And when the drummers, ac- cepting his drink, raised their glasses and said, “Here’s to you,” Charles was delighted.
From "East of Eden" by John Steinbeck
NOTE.—The suffix -ac is found only in Latin derivatives of Greek origin.
From New Word-Analysis by William Swinton
A new report finds that about 3% of autos--high- and low-end models--have fungi and bacteria breeding in the moisture that collects on the a.c.
From Time Magazine Archive
It turned out that all electricity here was d.c., conjured up by commanding the electrons in a wire to move in one direction, and completely useless with a.c. motors.
From The Sky Is Falling by Lester Del Rey
Power.—A transformer for stepping down a commercial alternating current for lighting and heating the filament and for stepping up the commercial a.c., for charging the plate of a vacuum tube oscillator.
From The Radio Amateur's Hand Book by A. Frederick (Archie Frederick) Collins
The 60 h.p. has parallel a.c. cylinders, the other two are radial w.c.
From Jane's All the World's Aircraft 1913 by Various
These writings are said to date from about 97 to 150 a.c.
From Frauds and Follies of the Fathers A Review of the Worth of their Testimony to the Four Gospels by Joseph Mazzini Wheeler
Other historical Pasadena figures in the book include the bookseller A.C.
From The Wall Street Journal ● Feb. 27, 2026
But the filmmaking team is fairly confident it belongs to Irvine, due to the sock found inside the boot being embroidered with the words "A.C. Irvine".
From BBC ● Oct. 11, 2024
Other students, not so much — they were stuck in older dorms without A.C.
From New York Times ● Jun. 19, 2024
For Caroline D’Amore, the hook was set when Bloom said he could connect her to A.C.
From Los Angeles Times ● Aug. 28, 2023
The 6th Division arrived at this time, thus technically completing General Pulteney's 3rd A.C.
From The First Seven Divisions Being a Detailed Account of the Fighting from Mons to Ypres by Ernest W. Hamilton
Chris Coucheron-Aamot, a guest at the Sandals resort, wrote on Facebook that the cause of the episode “may have been a fault with the a/c in the unit, causing a toxic coolant leak.”
From Seattle Times ● May 9, 2022
If that power comes from fossil fuels, a/c alone will account for a half-degree Celsius rise in global temperatures.
From The Guardian ● Aug. 11, 2019
Maybe it's possible shutting down subway a/c would make it a few degrees cooler.
From New York Times ● Aug. 21, 2016
Everyone drives huge SUVs, the houses have no insulation, heating on all winter, a/c on all summer, landfills are overflowing, you get punished for reusing shopping bags.
From BBC ● Jul. 10, 2011
Curry wrote asking what price I placed on my right to the books, and I replied demanding a full a/c of all sales up to date.
From Charles Lever, His Life in His Letters, Vol. I by Edmund Downey
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.
