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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AC ¹ 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 ² British  

abbreviation

1. Ascension Island

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a.c. ³ British  

abbreviation

1. (in prescriptions) ante cibum

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A/C ⁴ British  

abbreviation

1. Air Commodore

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Ac ⁵ British  

symbol

1. actinium

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a/c ⁶ British  

abbreviation

1. account

2. account current

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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

Centripetal force Fc is always perpendicular to the path and pointing to the center of curvature, because ac is perpendicular to the velocity and pointing to the center of curvature.

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

Related Words

• magnetic