A5 and variants may refer to:
Science and mathematics
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A5 regulatory sequence in biochemistry
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Androstenediol, the abbreviation for the androgen Androstenediol
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Annexin A5, a human cellular protein
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ATC code A05 Bile and liver therapy, a subgroup of the Anatomical Therapeutic Chemical Classification System
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British NVC community A5 (Ceratophyllum demersum community), a British Isles plants community
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Subfamily A5, a Rhodopsin-like receptors subfamily
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Noradrenergic cell group A5, a noradrenergic cell group located in the Pons
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A5 pod, a name given to a group of orcas (Orcinus orca) found off the coast of British Columbia, Canada
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A5, the strain at fracture of a material as measured with a load test on a cylindrical body of length 5 times its diameter
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A5, the alternating group on five elements
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Zeolite A-5, a calcium-type molecular sieve also known as 5A.
Technology
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Apple A5, the Apple mobile microprocessor
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ARM Cortex-A5, ARM applications processor
Sport and recreation
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A5 (classification), an amputee sport classification
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A5 grade (climbing)
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A5, an aid climbing gear manufacturer - absorbed by The North Face
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A05, Réti Opening Encyclopaedia of Chess Openings code
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A-5, a common shorthand name for the Browning Auto-5 shotgun
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Gibson A-5 mandolin, a Gibson mandolin
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Tippmann A-5, a semi-automatic pneumatic marker for playing paintball
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A5, an Atlanta-based volleyball club
Transport
Automobiles
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Arrows A5, a 1982 British Formula One racing car
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Audi A5, a 2007–present German compact executive car
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Chery A5, a 2006–2010 Chinese compact sedan
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Soueast A5, a 2018–2023 Chinese compact sedan
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Sehol A5, a 2019–present Chinese compact sedan, formerly JAC Jiayue A5
Other uses in transportation
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A5 road, in several countries
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Hall-Scott A-5, an engine powering the 1916 Standard H-2 aircraft
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Prussian A 5, a 1913 German railbus
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Route A5 (WMATA), a bus route operated by the Washington Metropolitan Area Transit Authority
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Airlinair, by IATA code
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Bhutan, by aircraft registration code
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ICON A5, an American amphibious aircraft
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Pennsylvania Railroad class A5s, an American locomotive
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Finnish Steam Locomotive Class A5
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LNER Class A5, a class of 4-6-2T steam locomotives
Military
Aircraft
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A-5, an export version of Nanchang Q-5, a Chinese-built jet fighter bomber
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Curtiss Falcon or A-5 Falcon, an attack aircraft manufactured by the Curtiss Aircraft Company
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Mitsubishi A5M, a 1930s Japanese fighter plane
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A-5 Vigilante, a carrier-based supersonic bomber designed for the United States Navy
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Focke-Wulf A 5, a World War I German
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Sturzkampfgeschwader 1, from its historic Geschwaderkennung code with the Luftwaffe in World War II
Other uses in military
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or USS Pike (SS-6), a 1903 United States Navy Plunger-class submarine
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, an A-class submarine of the Royal Navy
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Aggregate 5, a German rocket design, scaled down precursor to the V-2, in World War II
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A 5, a Swedish regiment designation, see list of Swedish artillery regiments
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A5, the staff designation for air force headquarters staff concerned with plans or strategy
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In the United Kingdom, the Joint Force Air Component Headquarters A5 - Air Strategy and GAT branch
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A5 Juggernaut, an armored fighting vehicle in the Star Wars fictional universe
Other uses
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A5 paper size, an ISO 216 international standard paper size (148 × 210 mm)
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A5, the highest grade of Japanese wagyu beef
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In Town and country planning in the United Kingdom, A5 is the code for permission to use specific land or premises for takeaways
See also
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A5/1, A5/2 and A5/3, ciphers used in cellular phones
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AV (disambiguation)
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Alpha 5 (disambiguation) (α5 / Α5)
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5A (disambiguation)
