AC
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/* Organizations */ Only on 's' in Asociación.
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'''AC''' may refer to any of the following, broken down by subject area.
==Science==
* [[Actinium]] (''Ac''), a chemical element
* [[Acetaldehyde]] (also ''Ac''), an organic ion
* [[Acetate]] (also ''Ac''), an organic ion
* [[Acetyl]] (''Ac''), a functional group in chemistry
* [[Alternating current]], a type of electric current
**[[AC power]], a net transfer of energy over a complete cycle of the alternating current waveform
* [[Anterior commissure]], a small bundle of nerve fibres that connect the right and left temporal lobes
* [[Anticipated convection]], the code for severe thunderstorm forecasts issued daily for the contiguous U.S. by the [[Storm Prediction Center]]
* [[Power cable#Named cable types|Armored Cable]], a type of power cable used by electricians
* [[atto]][[coulomb]] (''aC''), an SI unit of electric charge
* [[Accessory cells]], used in cell cultures
* [[Axiom of choice]], a mathematical set theory concept
* [[Acromioclavicular]] joint in humans and other animals, frequently injured in sport
* [[Adenylate cyclase]], an enzyme
* [[Alpha Centauri]], a star system in the constellation Centaurus
* [[Artificial consciousness]]
* [[Air Conditioning]]
* [[Air Canada]], Airline based out of Toronto, Ont., Canada
==Medicine==
* ante cibum (before meals)
==Places==
* [[Aachen]] - a [[Germany|German]] city, using AC as [[German car number plates|number plate]] code
* [[Acre (state)|Acre]] - a [[States of Brazil|Brazilian state]], using AC as abbreviation. (''See'': [[ISO 3166-2:BR]])
* [[Atlantic City, New Jersey]]
==Computing==
* [[AC (complexity)]], a hierarchy of complexity classes found in circuit complexity
* [[.ac]], Internet top-level domain name for Ascension Island
* [[.ac (second level)]], Internet second-level domain used to denote academic institutions in many countries
* [[Anonymous Coward]], in the Slashdot online environment
* [[Authorization certificate]] or attribute certificate, a digital permission to use a service or resource
* [[Arctic Cooling]], a Swiss manufacturer of heatsinks, cooling fans and computer cases.
* [[Auto clicker]]s, which are commonly referred to in MMORPGs as ACs.
==Transportation==
* [[AC Schnitzer]], an aftermarket tuner of BMW automobiles
* [[AC Cars]], a brand of automobile
* [[AC Cobra]], an Anglo-American sports car
* [[Hyundai Aero City]], a bus built by the Hyundai Motor Company
* [[Air Canada]], as its IATA airline designator
* [[Aircraft]] (usually ''A/C'')
* [[Algoma Central Railway]], a now out-of-service railway in Northern Ontario, Canada
* [[AC Transit]], a public bus transit system in Oakland, California
==Job Titles / Ranks==
* [[Aircraftman]]
* [[Assistant Commissioner of Police of the Metropolis]]
* [[Assistant Commandant in Central Police Organisation India]]
* [[Assistant Cameraman]]
* ''Aelod y Cynulliad'', the title for Members of the [[National Assembly for Wales]]
* Assistant Commissioner
* Acting Commissioner
==People==
* [[Aaron Carter]], American pop singer/rapper
* [[Aleister Crowley]], in "magickal" contexts
* [[Alice Cooper]], hard rock, shock rock, and heavy metal singer
* [[Anderson Cooper]], [[Journalist]]
* [[Alan Cox]], [[Linux kernel]] developer
* [[Austin Carr]], former NBA player
* [[A. C. Bhaktivedanta Swami Prabhupada]], founder of the International Society for Krishna Consciousness
* [[A.C. Green]], former NBA player
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==Sports==
*''Associazione Calcio'' (Italian for "Football (soccer) Association"), an identifier frequently found in the names of [[football (soccer)|football]] clubs in [[Italy]], most notably:
** [[A.C. Milan]], one of the most storied clubs in that country
* [[Athletic Bilbao|Athletic Club]]
* Abbreviation for [[Athletics (track and field)|Athletic]] club
==Entertainment==
* The name of the ultimate computer at the end of time in Isaac Asimov's ''[[The Last Question]]''
* [[After Colony]], an alternate timeline in the ''Gundam'' metaseries for the universe of ''Gundam Wing''
* [[Saved by the bell#Albert Clifford "A.C." Slater|Albert Clifford "A.C." Slater]], a character in the American sitcom ''Saved by the Bell''
* "Alt Cataclius" or "After Cataclysm", a historical era in the [[Dragonlance Timeline#Alt Cataclius|timeline for the ''Dragonlance'' fictional universe]]
* [[Armor Class]], a combat-related parameter in the Dungeons & Dragons role playing game system
* ''[[Final Fantasy VII Advent Children]]'', a movie sequel to the game ''Final Fantasy VII''
* Accurentum, a fictional chemical element from ''Star Trek''
* [[Aquaman in popular media#Smallville|Arthur Curry]], who goes by his initials during an appearance on ''Smallville''
===Video games===
* ''[[Animal Crossing (series)]]'', a series of real-time village simulations by Nintendo
* ''[[Assassin's Creed]]'', a platformer/stealth game for the Microsoft Windows, Xbox 360, PlayStation 3, and Nintendo DS platforms.
* ''[[Armored Core]]'', a video game series featuring the eponymous robotic fighter under the player's control.
* ''[[Asheron's Call]]'', a fantasy massively multiplayer online role-playing genre
* The ''[[Ace Combat]]'' series of combat flight simulator games
* "AC" is sometimes used as an abbreviation for "[[arcade game|arcade]]". Therefore, it is often used as a suffix to designate a new or separate version of a game, or even merely as the abbreviation for a revision:
**''[[Melty Blood: Act Cadenza]]'', a two-dimensional fighting game featuring characters from ''Tsukihime''
**''[[Guilty Gear XX Accent Core]]'', a two-dimensional fighting game, part of the ''Guilty Gear'' series
**''[[Tekken 5]]'' on the PlayStation 2 features a mode that allows one to play the arcade versions of ''Tekken'', ''Tekken 2'', and ''Tekken 3'', labeled "AC"
* ''Alliance Character'' as used by Horde players in the [[MMORPG]] ''[[World of Warcraft]]''
* [[Arvoch Conflict]], a shareware flight simulator by Star Wraith 3D Games
* ''[[Ace Combat]]'', a series of flight/combat games by Namco.
===Music===
* [[AC/DC]], a rock group
* [[Adult contemporary music]], a music genre also used to describe broadcast radio stations
* [[Animal Collective]], an experimental musical collective.
* [[Anal Cunt]], a grindcore band.
==Organizations==
* [[Anglican Communion]]
* Akademikernes Centralorganisation, the [[Danish Confederation of Professional Associations]].
* [[Civic Alliance Foundation]], a Romanian NGO.
* [[Astronomy club]], common in schools and tertiary institutions.
* [[Ad Council]]
** [[Japan Ad Council]]
* [[Ayala Corporation]], via its ticker symbol "AC".
* [[Asociación Civil]], a title for non profit organizations in [[Spanish language|Spanish]] speaking countries.
===Schools===
* [[Atlantic College]], one of the twelve [[United World Colleges]].
* Abbreviation for [[Assumption College]] located in Worcester, Massachusetts USA.
* Abbreviation for [[Aquinas College, Perth|Aquinas College]] located in Perth, Western Australia.
* Short for [[Anglo - Chinese]] group of schools in Singapore and Indonesia
==Miscellaneous==
* Another name for the [[Ansuz rune]]
* [[Air conditioning]] (and air conditioner), the mechanical process of cooling air in enclosed spaces
* ''[[Ante Christum]]'', ''(AC)'', [[Latin]] meaning ''"before [[Christ]]"'' or ''[[BC]]''
* [[Anthrocon]], a furry fandom convention
* [[Antichrist]], in the Christian religion
* [[Average cost]], in economics
* [[Post-nominal letters|post-nominal]] ''AC'' [[Order of Australia]], ''Companion''
* Naval auxiliary ship serving as a [[List_of_auxiliaries_of_the_United_States_Navy#Colliers_.28AC.29|collier]] (''A''uxilary ''C''ollier) in the U.S. Navy's [[list of hull classifications]]
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