AC

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AC, A.C. or Ac may refer to:

• Air conditioning, technologies for altering the temperature and humidity of air
• Alternating current, a type of electrical current in which the current repeatedly changes direction

Video AC

Arts and entertainment

Gaming

• Ace Combat, a series of combat flight simulator games
• Armor Class, a combat-related parameter in the Dungeons & Dragons role playing game system
• Asheron's Call, a fantasy massively multiplayer online role-playing game
• Assassin's Creed, a series of action-adventure games
• Assetto Corsa, a racing simulator game
• Animal Crossing, a series of community simulation games

Music

• A.C. Newman, solo stage-name for Canadian musician Carl Newman
• Adult contemporary music, a genre description used mainly in radio broadcasting
• Anal Cunt, an American musical group

Other media

• AC Comics, a comic book publisher established in 1969
• A.C. Slater, a fictional character in the American sitcom Saved by the Bell
• After Colony, an alternate timeline in the Gundam metaseries for the universe of Gundam Wing
• AC, the name of the "ultimate computer" in Isaac Asimov's novel The Last Question

Maps AC

Businesses and organizations

Businesses

• AC Cars, a British specialist automobile manufacturer
• AC Restaurants, a hotel and restaurant chain in the Benelux
• Air Canada, the flag carrier and largest airline of Canada (IATA code AC)
• Associated Content, an online publisher and distributor of original content
• Ayala Corporation, a holding company (Philippine Stock Exchange symbol AC)

Political organizations

• Action Congress, a political party in Nigeria
• Alternative for Change (Alternativa por el Cambio), a political party in Nicaragua
• Coast Alliance (Alianza Costeña), a former regional political coalition in Nicaragua

Other organizations

• AC - The Danish Confederation of Professional Associations, an umbrella organisation for several Danish trade unions
• AC Transit, a regional public transit agency in the San Francisco Bay Area
• Ad Council Japan (AC Japan), an organization that distributes Japanese public service announcements
• Athletics Canada, the governing body of athletics in Canada
• Civic Alliance Foundation (Alian?a Civic?), a Romanian non-governmental organization

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People

• A. C. Green, retired professional basketball player
• A. C. Grayling, British philosopher
• Al Cowlings, retired American football player

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Places

• .ac, Internet top-level domain name for Ascension Island
• Aachen, a spa town in North Rhine-Westphalia, Germany
• Acre (state), Brazil
• Aleksandrovac, Serbia (vehicle registration plate code AC)
• Atlantic City, New Jersey, US

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Ranks, titles, and awards

• Aelod y Cynulliad, title for Members of the National Assembly for Wales
• Aircraftman, an air forces rank
• Ashoka Chakra (military decoration), India's highest peacetime military decoration
• Assistant Commissioner of Police of the Metropolis, a rank in London's Metropolitan Police
• Companion of the Order of Australia
• First assistant camera or Second assistant camera, in film-making

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Science and technology

Biology and medicine

• Acromioclavicular joint (AC joint), the shoulder junction between the scapula and the clavicle
• Adenylate cyclase, a lyase enzyme
• Adriamycin and cyclophosphamide, a chemotherapy regimen used to treat breast cancer
• Ante cibum (ac), Latin for "before meal", commonly seen in medical prescriptions
• Anterior commissure, a bundle of nerve fibers connecting the two temporal lobes of the brain
• Anterior cruciate ligament (AC ligament or ACL), a major ligament in the knee
• Appropriateness criteria, when it is appropriate to perform a medical procedure or service
• Assist control, a former term for continuous mandatory ventilation, a mode of mechanical ventilation

Chemistry

• Acetyl, a functional group in chemistry
• Actinium, a chemical element

Computing and telecommunications

• .ac, Internet top-level domain name for Ascension Island
• .ac (second-level domain), Internet second-level domain used to denote academic institutions in many countries
• AC (complexity), a hierarchy of complexity classes found in circuit complexity
• AC, initialism of access control
• Artificial consciousness, a field related to artificial intelligence and cognitive robotics
• Authorization certificate or attribute certificate, a digital permission to use a service or resource
• 802.11ac, a wifi standard using 5GHz, released in Dec 2013

Meteorology

• Altocumulus, a medium level cloud type
• Anticipated convection, convective outlooks issued by the U.S. National Weather Service

Other uses in science and technology

• Air conditioning, technologies for altering the temperature and humidity of air
• Across corners (A/C), a measure of external diameter of hexagonal nuts
• Alternating current, a type of electric current
  • AC power, a net transfer of energy over a complete cycle of the alternating current waveform
• Asphalt concrete, a type of road or path surfacing
• Average cost, in economics
• Axiom of choice, a mathematical concept in set theory

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Other uses

• Ac (rune) (?), a rune of the Anglo-Saxon fuþorc and a continuation of the Elder Fuþark ansuz
• Acre, a unit of area with the symbol ac
• Advisory circular, a publication to provide guidance for compliance with airworthiness regulations
• Ante Christum or A.C., a Latin term meaning "before Christ"
• Anthrocon, the largest furry convention in the world, held in Pittsburgh, Pennsylvania, US

Source of the article : Wikipedia