AA
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Aesopos
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'''AA''', '''A∴A∴''', '''Aa''', '''<nowiki>'A'a</nowiki>''', '''aa''' and '''aA''' may refer to:
{{wiktionarypar5|AA|Aa|'A'a|aa|aA}}
== AA ==
===Organizations and businesses===
*[[Albuquerque Academy]], an independent day school in Albuquerque, New Mexico
*[[Alcoa]], an American aluminum-producing company with the stock ticker symbol AA
*[[Alcoholics Anonymous]], a worldwide fellowship of persons recovering from [[alcoholism]]
*[[Alvesta Alternative]], a political party in Sweden
*[[Amalgamated Association of Iron and Steel Workers]], a former union in the United States
*[[American Atheists]], an organization advocating for atheists in the United States
*[[American Apparel]], a clothing company in the United States
*[[Amir Adnan]], a Pakistani fashion label for men
*[[Annuaires Afrique]], an African online directory
*[[Architectural Association School of Architecture]], the prestigious London based School of Architecture
*[[Armenian Aryans]] Armenian Aryan group
*[[Asbestos Association]], the British asbestos manufacturers' association
*Assassins Association, a small [[gang]] in the [[United States]]
*[[Foreign Office (Germany)]] (''Auswärtiges Amt''), the Foreign Office of Germany
*[[The Albany Academy]], an independent day school for boys in Albany, New York
===Transportation===
*[[AA Motoring Trust]], a British road safety charity
*[[Aerolíneas Argentinas]], an Argentine airline
*[[American Airlines]], IATA airline code
*[[Air America (airline)|Air America]] was a CIA front that supplied covert operations during the Vietnam War
*An Automobile Association
**[[The Automobile Association]], a British motoring organisation
**[[The Automobile Association (Ireland)]], an Irish motoring organisation
**within a country to refer to the Automobile Association of that country, such as the [[New Zealand Automobile Association]]
**AA Publishing, a trading name of [[The Automobile Association]] in the UK
*[[Ann Arbor Railroad]], a railroad connecting Ann Arbor, Michigan and Toledo, Ohio in the United States
*[[NZR Aa class]], a locomotive class operated by the New Zealand Railways Department
===Sports, games and pastimes===
*Ace-Ace, in a [[Hand (poker)|poker hand]]
*[[Ace Attorney]], a series of courtroom based video games called Gyakuten Saiban (meaning Turnabout Trial) in Japan.
*Alternate Achievement: a concept in the game, [[EverQuest II]], which came out in the expansion pack [[EverQuest II: Kingdom of Sky]].
*[[America's Army]], a computer game published by the U.S. Army
*[[American Association (19th century)]], baseball
*[[American Association (20th century)]], baseball
*[[American Association of Independent Professional Baseball]] started in 2006
*[[Ancient Anguish]], an LPMud (computer game) in existence since 1992
*[[Arn Anderson]], professional wrestler
*[[Class AA]], a level in the Farm System of minor league baseball
High grade in [[Dance Dance Revolution]]
*[[Pocket Aces]], the best possible starting hand in Texas Hold Em
*[[Zoo Tycoon 2: African Adventure]]
===Science, mathematics and computing===
*[[AA chipset]], the computer graphics architecture found in the Amiga 4000
*[[AA postulate]] of Euclidian geometry
*[[Academia de Artes]], Mexico
*[[Actinobacillus actinomycetemcomitans]], a [[species]] of [[bacteria]] found to be in association with certain types of [[periodontal disease]].
*[[Amplitude of accommodation]], a measurement of the eye's ability to focus clearly on objects at near distances
*[[Anti-aliasing]], a computer graphics technique
*[[Aortic aneurysm]]
*[[Arachidonic acid]], a polyunsaturated fatty acid
*[[ASCII art]], an artistic medium in which pictures are composed of symbols taken from the ASCII computer character set
*[[Atlas Autocode]], a computer programming language
*[[Atomic absorption spectroscopy|Atomic Absorption Spectrophotometer]], an instrument for measuring the content of metal in samples
===Other===
*[[AA battery]] size
*AA [[brassiere cup size]]
*[[Abhisamaya-alamkara]]'', a Mahayana Buddhist text.
*AA certificate - a film rating used by the [[British Board of Film Classification|British Board of Film Classification Censors]] between 1970 and 1982, restricting audiences to those aged 14 and over
*[[Affirmative action]], a social policy dealing with underrepresented minorities
*[[African American]]
*[[Air Attache]], usually a high-ranking air force officer on the staff of an embassy
*[[Antarctica]], [[World Meteorological Organization|WMO]] country code
*[[Anti-aircraft warfare]], a military term for combat against airborne enemies from the ground
*[[Armed Forces Americas]], [[United States postal abbreviation]]
*[[Aruba]] (DAFIF 0413 / DIA 65-18 / FIPS PUB 10-4 territory code)
*[[Asian Aerospace]], the biggest airshow event in Asia
*[[Asian American]]
*[[Associate of Arts]], a kind of associate's degree
*[[Audio Adrenaline]]
*Automatic Announcement, an automated device without the operator announcing each stop.
*The production code for ''[[The Savages (Doctor Who)|The Savages]]'', a ''Doctor Who'' serial.
== A∴A∴ ==
*[[Argenteum Astrum]], a magical order created by Aleister Crowley
== Aa ==
*[[Å]], letter found in several languages including Swedish, Norwegian and Danish, which can be alternatively transcribed as "aa"
*[[Aa (band)|Aa]], Experimental post-punk/no-wave group from [[Brooklyn, NY]] (also known as Big A Little a)
*Aa, Big A little a, a musical group that blends old-world percussion with electronic noise
*Aa! Megami-sama or [[Oh My Goddess!]] is a popular anime/manga series
*[[Aa!]], a J-Pop musical group
*[[Lava|Aa]], a type of lava
*[[Aa (plant)]], a genus of orchid
*[[Aa, Estonia]], a village on northern coast of Estonia
*[[Aa River]] (or Å River), the name of several waterways in Europe
*[[AUTOart]], a high quality die cast model car manufacturer
*[[Brynjar Aa]], Norwegian dramatist
*[[Johann van der Aa]], father of [[Petrus van der Aa]]
*[[Petrus van der Aa]] (1530—1594), a Flemish jurist
*[[Philips van der Aa]], a Dutch statesman during the Eighty Years' War
*[[Pieter van der Aa]] (1659—1733), a Dutch publisher
*[[Terje Aa]], bridge player
*[[Van der Aa]], a Dutch name
== 'A'a ==
*[[aa (lava flow)|{{okina}}A{{okina}}ā]], one of three basic types of [[lava]] flow.
== aA ==
*[[abampere]], the CGS unit of current
*[[attoampere]], an SI unit of electric current (equal to 10<sup>−18</sup> A)
==aa==
*[[Aa (digraph)|Aa]], a [[digraph]]
*[[Afar language]], ISO 639 alpha-2 language code
*[[Amino acid]], a subunit of which proteins are constituted
*[[Authoritative Answer]], in DNS a flag for query answer
*Aquanaut Academy International, diver training organization
==.aa==
*a proprietary digital audio format of [[Audible.com]]
== See also ==
{{wiktionarypar3|AA|Aa|aA|aa}}
* [[Å (disambiguation)]]
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