ac

¹ American  

abbreviation

1. acre; acres.

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Ac ² American  

abbreviation

Chemistry.

1. acetate.

2. acetyl.

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Ac ³ American  

Symbol, Chemistry.

1. actinium.

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AC ⁴ American  

abbreviation

Electricity.

1. alternating current.

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A/C ⁵ American  

[ey-see] / ˈeɪˈsi /

Also AC, or a/c

abbreviation

1. air conditioning.

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A/C ⁶ American  

Or a/c

abbreviation

Bookkeeping.

1. account.

2. account current.

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ac- ⁷ American  

1. variant of ad- before c and qu: accede; acquire.

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-ac ⁸ American  

1. variant of -ic after Greek noun stems ending in i: cardiac; maniac.

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a.c. ⁹ American  

abbreviation

1. (in prescriptions) before meals.

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A.C. ¹⁰ American  

abbreviation

1. before Christ.

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A.C. ¹¹ American  

abbreviation

1. Army Corps.

2. Athletic Club.

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a.c. ¹ British  

abbreviation

1. (in prescriptions) ante cibum

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AC ² British  

abbreviation

1. alternating current Compare DC

2. ante Christum

3. Air Corps

4. athletic club

5. Companion of the Order of Australia

6. 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

7. Aelodau'r Cynulliad: Member of the Assembly (that is, the National Assembly of Wales)

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ac ³ British  

abbreviation

1. Ascension Island

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A/C ⁴ British  

abbreviation

1. Air Commodore

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a/c ⁵ British  

abbreviation

1. account

2. account current

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Ac ⁶ British  

symbol

1. actinium

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AC Scientific  

1. Abbreviation of alternating current

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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

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

A sharp corner has a small radius, so that ac is greater for tighter turns, as you have probably noticed.

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

Related Words

• magnetic