A3

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A3, A03 or A.III may refer to:

• A3 paper, a paper size defined by ISO 216

Video A3

Biology

• A3 regulatory sequence, a sequence for the insulin gene
• Adenosine A₃ receptor, a human gene
• Annexin A3, a human gene
• ATC code A03 Drugs for functional gastrointestinal disorders, a subgroup of the Anatomical Therapeutic Chemical Classification System
• Brachydactyly type A3, a disease
• British NVC community A3 (Spirodela polyrhiza - Hydrocharis morsus-ranae community), a British Isles plants community
• Gibberellin A3, a plant hormone
• HLA-A3, a Human MHC Serotype HLA-A
• Subfamily A3, a rhodopsin-like receptors subfamily
• Urea transporter A3, a trans-membrane protein

Maps A3

Games

• A3 - Assault on the Aerie of the Slave Lords, a 1981 module for the Dungeons & Dragons fantasy role-playing game
• Alpha Trion, as the former name of this character from the Transformers Series
• Bird's Opening (A03), in chess, by the Encyclopaedia of Chess Openings code

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Music

• A3, a musical note, the A below Middle C
• Alabama 3, a band known as A3 in the U.S. to avoid confusion with the country group Alabama
• A-3, a Yamaha musical instrument product
• A3 Worldwide, an international singer-songwriter

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Sports

• A3 Champions Cup, a club football tournament also known as the East Asian Champions Cup
• Arrows A3, a 1980 racing car
• A3, a climbing Grade

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Vehicles

• A-3 lifeboat, a 1947 lifeboat for carrying by the SB-29 Superfortress
• Abrial A-3 Oricou, a French touring aircraft designed in 1927
• Audi A3, a model of automobile
• Aussat (Optus) A3, a 1987 Australian telecommunication satellite
• Bavarian A III, an 1851 German steam locomotive model
• LNER Gresley Classes A1 and A3, a Pacific Locomotive Designed by Sir Nigel Gresley
• PRR A3, an American PRR 0-4-0 steam locomotive
• Prussian A 3, a 1910 German railbus
• SP&S Class A3, a 1914 steam locomotives class

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Weapons and military

• A-3 Falcon, a variant of the Curtiss Falcon, an attack aircraft manufactured by the Curtiss Aircraft Company
• A-3 Skywarrior, a strategic bomber manufactured by Douglas Aircraft Company
• AUG A3, a variant of the Austrian Steyr AUG rifle
• Focke-Wulf A 3, a WWI German Focke-Wulf aircraft
• Fokker A.III, a 1915 armed version of the Fokker M.5 aircraft
• HMS A3, a British A class submarine of the Royal Navy
• Kampfgeschwader 200, from its historic Geschwaderkennung code with the Luftwaffe in World War II
• Polaris A-3 missile, an American submarine-launched missile
• Wendes Artillery Regiment, a former Swedish Army artillery regiment, by designation
• A3, the staff designation for air force headquarters staff concerned with operations
  • A3 Air Operations Branch, of the Joint Force Air Component Headquarters UK
• USS Grampus (SS-4), a Plunger class submarine of the United States Navy
• Aggregate 3, the 3rd design in the Aggregate family of rockets, precursor to the V-2 rocket, developed by the Germans during World War II

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Other uses

• A₃, an example of a root system with numerous physical and geometrical applications
• A-3 visa, a document given to employees of A-1 and A-2 Visa Holders who are representing a foreign government inside the U.S.
• A3, the code for permission to use specific land or premises for restaurants and cafés in town and country planning in the United Kingdom
• A3 roads, in several countries
• A-003, the fourth abort test of the Apollo spacecraft
• Biu-Mandara A.3 languages, an Afro-Asiatic family of languages spoken in Cameroon and Nigeria
• Cowon A3, an audio media player
• Aegean Airlines, by IATA code
• Tonga, by aircraft registration code
• ARITH-MATIC, as the former name for this programming language
• "Agora! Anarchy! Action!", a slogan for Agorism taken from the New Libertarian Manifesto by Samuel Edward Konkin III
• A3, a structured problem solving and continuous improvement approach, first employed at Toyota, and typically used by lean manufacturing practitioners
• Samsung Galaxy A3, a smartphone manufactured by Samsung Electronics
• A³ (A-cubed), a start-up of Airbus located at the Silicon Valley
• A3 (TV channel), an Algerian public national television channel also known as Thalitha TV

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See also

• A-Train III, a 1992 computer game
• M16A3, a variant of the American M16 rifle
• M60A3, a variant of the American M60 Patton tank
• A3J, the original designation of the US Navy's A-5 Vigilante bomber

Source of the article : Wikipedia