A type

• A-type asteroid, a type of relatively uncommon inner-belt asteroids
• A type blood, a type in the ABO blood group system
• A-type inclusion, a type of cell inclusion
• A-type potassium channel, a type of voltage-gated potassium channel
• A type proanthocyanidin, a specific type of flavonoids
• A-type star, a class of stars
• Type A climate, a type in the Köppen climate classification
• Type A flu, a type of influenza virus
• Type A evaluation of uncertainty, an uncertainty in measurement that can be inferred, for example, from repeated measurement
• Type A personality, a personality type in the Type A and Type B personality theory
• Hemophilia type A, a type of haemophilia
• A-type granite a type of granite rock
• Adenosine receptor

• Type A Dolby Noise Reduction, a type of Dolby noise-reduction system
• Type A plug (see also NEMA connector)
• Type A submarine, a class of submarines in the Imperial Japanese Navy which served during the Second World War
• Renault A-Type engine, a straight-4 automobile engine
• Toyota Type A engine
• Vauxhall A-Type, a car manufactured by Vauxhall Motors from 1908 to 1915
• A type Adelaide tram

• Type A (label), a music label that for example produced the 2004 album What Doesn't Kill You... by Candiria
• Type A (artist collective), a pair of New York-based artists named Adam Ames and Andrew Bordwin

==See also==

• A Types, the third full-length album released by the melodic hardcore band Hopesfall
• A class (disambiguation)
• Class A (disambiguation)
• Model A (disambiguation)

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