There are 2 main definitions of Ac in English:

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Ac 1

symbol

The chemical element actinium.
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There are 2 main definitions of Ac in English:

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AC 2

Pronunciation: /ˌāˈsē/

abbreviation

1 (also ac) Alternating current.
2 (also ac) Air conditioning: a sedan with power steering and AC
3Before Christ.
From Latin ante Christum
5Athletic club.
6 (ac.) North American Acre: a 22-ac. site
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