ac
abbreviation
acre; acres.
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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.
AC
1
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
2
British
abbreviation
A/C
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
Thus, at and ac are perpendicular and independent of one another.
From Textbooks ● Aug. 12, 2015
Ngawang Doka replied in clear, sparkling English that carried a hint of a Canadian ac cent.
From "Into Thin Air" by Jon Krakauer
Both men are being held in local jails, Balcarcel Ac in Charlottesville and Alvarado-Dubon in Richmond.
From Seattle Times ● Jul. 8, 2022
An agent from Homeland Security Investigations determined that both men are in the U.S. illegally and that Balcarcel Ac has had two previous deportations, the affidavit states.
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
When the abbot seeth them flee, That he holds for much glee, Ac natheless, all there among, He biddeth them light to evesong.
From Medieval English Nunneries c. 1275 to 1535 by Power, Eileen
If his beloved Inter Milan won the Italian championship and rival AC Milan failed to qualify for the European Champions League, he would go on a religious pilgrimage.
From The Wall Street Journal ● Jul. 4, 2026
Buckley is considering buying a permanent AC to supplement the portable model he has been trundling between rooms.
From The Wall Street Journal ● Jul. 2, 2026
The 26-year-old joined Newcastle from AC Milan for £55m in July 2023.
From BBC ● Jul. 1, 2026
"It was 42-45 degrees in India when we left but everywhere there is AC," said Rajasekhar, on a two-week trip to Europe with his wife and their two teenage children.
From Barron's ● Jun. 30, 2026
It seemed so real that I could even feel the AC blowing in the church.
From "The Boy in the Black Suit" by Jason Reynolds
Ferrari reveals its new EV, the UN shares an alternative metric to GDP, and Europe won’t embrace A/C despite deadly heatwaves.
From Slate ● May 30, 2026
And the maximum possible efficiency of SMACool is still lower than that of conventional air conditioning, although the aim is to beat the energy efficiency of A/C.
From BBC ● May 19, 2025
If what comes out when we look at the A/C circles entails the representation of the form of the conclusion, BOOM, the argument is valid.
From Salon ● Jul. 29, 2024
“The A/C here wasn’t cutting it for a really long time,” Shaw said, citing temperatures above 100 degrees.
From Los Angeles Times ● Dec. 6, 2023
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
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
Very democratic, proud of being a plain American, she likes people, is always ac- cessible to strangers.
From Time Magazine Archive
NOTE.—The forms ac-, af-, etc., are euphonic variations of ad-, and follow generally the rule that the final consonant of the prefix assimilates to the initial letter of the root.
From New Word-Analysis by William Swinton
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
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 Wheeler, Joseph Mazzini
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
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 Del Rey, Lester
In the third century a.c. he composed in Greek a history of his native land, which has perished.
From Myths of Babylonia and Assyria by Mackenzie, Donald Alexander
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
The Hare Krishna movement evolved from a 16th-century Indian tradition, and exploded as a worldwide phenomenon when a charismatic Hindu guru known as A.C.
From New York Times ● May 22, 2024
The company was born in the garage of A.C.
From Seattle Times ● Apr. 22, 2024
At five o'clock on the morning of the 9th the 2nd A.C. started out for the Marne.
From The First Seven Divisions Being a Detailed Account of the Fighting from Mons to Ypres by Hamilton, Ernest W.
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
During this meeting, Spencer noted some 30 claims which he attributes to Bashir, including Jephson's alleged plots against her: "Jephson - dangerous: money. Left offshore a/c in March 1994".
From BBC ● May 20, 2021
The a/c is just about coping but I am dreading the operating list this afternoon.
From The Guardian ● Jul. 24, 2019
Maybe it's possible shutting down subway a/c would make it a few degrees cooler.
From New York Times ● Aug. 21, 2016
Sales have been slow here on a/c weather is very hot.
From Potash & Perlmutter Their Copartnership Ventures and Adventures by Glass, Montague
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.
