Meaning of AC in English

AC

■ abbreviation

1》 (also ac ) air conditioning.

2》 Aircraftman.

3》 (also ac ) alternating current.

4》 appellation contrôlée.

5》 athletic club.

6》 before Christ. [from L. ante Christum .]

7》 Companion of the Order of Australia.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.