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:
He told her to "put 120£ in this ac… please thank u baby".
From BBC ● Jul. 13, 2026
He was a very well-known, established character ac even before "I Love Lucy."
From Fox News ● Jun. 5, 2021
The Multiplication Property of Equality—For any numbers a, b, and c, if a = b , then ac = bc .
From Textbooks ● Apr. 22, 2020
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
Ngawang Doka replied in clear, sparkling English that carried a hint of a Canadian ac cent.
From "Into Thin Air" by Jon Krakauer
Balcarcel’s attorney, Samuel Simpson V, said Monday that he would be “very surprised” if Balcarcel Ac and Alvarado-Dubon were planning a mass shooting.
From Seattle Times ● Jul. 11, 2022
No attorney is listed on court documents for Balcarcel Ac.
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 forst ich wolle wite; for ȝoure mochele worsipe. f.
From Selections from early Middle English, 1130-1250 Part I: Texts by Joseph Hall
But Mateta pushed to leave Palace in January this year and was close to joining AC Milan.
From BBC ● Aug. 22, 2026
AC Milan's win against United, however, may have provided clues as to how teams might counteract Carrick's defensive set-up - notably with the use of a 5-2-3 formation.
From BBC ● Aug. 19, 2026
Productivity plummets when workers without AC suffer from heat stress.
From The Wall Street Journal ● Aug. 18, 2026
Appeared in the August 19, 2026, print edition as 'The Economic Case for European AC'.
From The Wall Street Journal ● Aug. 18, 2026
Her dad tried turning on the AC, but all that did was blast smoke into the car, and he quickly turned it off.
From "Two Degrees" by Alan Gratz
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
I mean cool both figuratively and literally since the A/C is always blasting.
From Los Angeles Times ● Apr. 13, 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
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
Very democratic, proud of being a plain American, she likes people, is always ac- cessible to strangers.
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
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 Donald Alexander Mackenzie
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
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
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 company was born in the garage of A.C.
From Seattle Times ● Apr. 22, 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
Sir Horace was for the moment an A.C. commander without an A.C., the remnants of his six heroic brigades being scattered here and there along the whole front.
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
But then, not all of those 90% of American households with a/c are affluent – not even close.
From The Guardian ● Aug. 11, 2019
Not a single prison should get a/c before all the schools in our nation have a/c.
From New York Times ● Aug. 20, 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
If you pay £5 into my a/c at Childs, it will be simplest.
From Letters from Mesopotamia in 1915 and January, 1916, from Robert Palmer, who was killed in the Battle of Um El Hannah, June 21, 1916, aged 27 years by Robert Stafford Arthur Palmer
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.
