AC

Look up AC and ac in Wiktionary, the free dictionary.

AC may refer to:

Sciences

• Alternating current, a type of electric current.
• Accurentum, a fictional chemical element from Star Trek.
• Acetate (Ac also used), an organic ion.
• Acetaldehyde (Ac also used), an organic ion.
• Actinium (in which case, Ac is used), a chemical element.
• attocoulomb, (aC) an SI unit of electric charge.
• Axiom of choice, a mathematical set theory concept.
• Armored Cable, a type of power cable used by electricians

Designations

Places

• Atlantic City, New Jersey, a city of >40,000 citizens located on the east coast of the United States.
• Antigua and Barbuda (obsolete NATO digram).
• Ascension Island, an island in the South Atlantic Ocean (Internet country code top-level domain).
• ".ac", Internet second-level domain used to denote academic institutions in many countries.

Organizations

• Air Canada, as its IATA airline designator.
• Algoma Central Railway, a now out-of-service railway in Northern Ontario, Canada.
• Anthrocon, a furry fandom convention.
• Associación Civil, a title for non profit organizations in Spain.
• Atlantic College, one of the ten United World Colleges.
• Athletic Club

People

• Aleister Crowley in "magickal" contexts.
• Anonymous Coward, in the Slashdot online environment.
• antichrist in the Christian religion.
• Companion in the Order of Australia.
• Member of the National Assembly for Wales.

Other

• AC Schnitzer, a brand of BMW.
• AC Cars, a brand of automobile.
• AC Cobra, an Anglo-American sports car.
• AC Milan, an Italian football club.
• AC/DC, a musical group.
• Adult contemporary music, a music genre also used to describe broadcast radio stations.
• Aero City, Diesel and CNG models. a bus built by Hyundai Motor Company.
• Air conditioning (and air conditioner), the mechanical process of cooling air in enclosed spaces.
• Ante Christum, Latin for "before Christ".
• Authorization certificate or attribute certificate, a digital permission to use a service or resource.

Trivial

• "AC", Name of the ultimate computer at the end of time in Isaac Asimov's The Last Question.
• Final Fantasy VII: Advent Children.
• "Alt Cataclius" or "After Cataclysm", a historical era in the timeline for the Dragonlance fictional universe.
• Animal Crossing, a real-time village video game for the Nintendo Game Cube and Nintendo DS.
• Armor Class, a combat-related parameter in the Dungeons & Dragons role playing game system.
• In Armoured Core (the PlayStation Portable game series), a robotic fighter that is under the player's control.
• Asheron's Call, a fantasy game in the massively multiplayer online role-playing (MMORPG) genre.

See also

• People with surnames beginning with "Ac"