Main definitions of Ac in English

• The chemical element actinium.

abbreviation

• 1

  (also a.c.)

  Alternating current.

  as modifier ‘the AC supply’

• 2Air conditioning.

  ‘a sedan with power steering and AC’

• 3Aircraftman or Aircraftwoman.

• 4Appellation contrôlée.

  ‘AC Sauvignon and Chardonnay’

• 5Athletic club.

• 6

  (also ac.)

  North American Acre.

  ‘a 22-ac. site’

• 7Before Christ.

• 8Companion of the Order of Australia.