Science Fair Project Encyclopedia

AC

AC may stand for:

in electricity, the abbreviation of alternating current
in history, Latin ante Christum, that is to say before Christ; see Anno Domini
in medicine, a chemotherapy regime comprising adriamycin and cyclophosphamide, see AC chemotherapy
Atlantic College, one of the ten United World Colleges
an automobile brand, see AC Cars
adult contemporary music
the chemical symbol for actinium, Ac (not AC unless misprinted)
historically, as a symbol (Ac or AC) for the acetate ion in chemical formulas
an Anonymous Coward on Slashdot
the postnominal letters for the Companion in the Order of Australia
Air Canada
Ascension Island
air conditioning
Alt Cataclius , "After Cataclysm" on the Dragonlance Timeline.
in Dungeons and Dragons, the abbreviation of Armor Class.
Asheron's Call, a fantasy MMORPG
Algoma Central Railway (AAR reporting mark AC)
In British politics AC, which stands for Aelod Cynulliad is the Welsh language equivalent of Assembly Member or AM, denoting a member of the National Assembly for Wales.
Associación Civil, (civil association), a title for non profit organizations in Spain
The grindcore band Anal Cunt.
In Isaac Asimov's "The Last Question", a short story, AC is the ultimate computer at the end of time.
In The Armoured Core series, ACs are the robotic fighters you conrol.
Anthrocon, a furry fandom convention.
The AC = AntiChrist