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A3

A3, A03 or A.III may refer to:

  • A3 paper, a paper size defined by ISO 216

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

Games

  • A3!, a Japanese video game and multimedia franchise
  • 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

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

Sports

  • A3 (classification), an amputee sport classification
  • 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

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
  • Chery A3, a compact car
  • LNER Gresley Classes A1 and A3, a Pacific locomotive class designed by Sir Nigel Gresley
  • SP&S Class A3, a 1914 steam locomotives class

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
  • 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

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
  • Comet A3 also known as C/2023 A3 (Tsuchinshan–ATLAS)
  • 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 problem solving, a structured problem solving and continuous improvement approach, first employed at Toyota
  • Samsung Galaxy A3, a smartphone manufactured by Samsung Electronics
  • Samsung Galaxy A03, a smartphone manufactured by Samsung Electronics
  • A³ (A-cubed), an Airbus start-up in the Silicon Valley
  • A3 (TV channel), an Algerian public national television channel also known as Thalitha TV
  • RED A03, an aircraft diesel engine by German company Red Aviation GmbH
  • Zeolite A-3, a potassium-type molecular sieve also known as 3A.
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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