noun: (broadcasting, television) Initialism of Associated Television.
noun: (broadcasting, television) Initialism of Asia Television Limited.
noun: (broadcasting, television) Initialism of ATV (Austria).
noun: (transport) Initialism of all-terrain vehicle. (an astride-seated quad or tri-wheeled off-road recreational vehicle) [A motor car or motorcycle that is designed to operate on rough ground, and is not necessarily street-legal]
noun: (transport, space science) Initialism of Automated Transfer Vehicle. [(transport, space science) An expendable unmanned resupply spacecraft developed by the European Space Agency.]
noun: (broadcasting, television) Initialism of amateur television.
noun: Initialism of airport transit visa.
noun: (pharmacology) Abbreviation of atazanavir. [(pharmacology) An antiretroviral drug of the protease inhibitor class that is administered orally in the form of its sulfate C₃₈H₅₂N₆O₇·H₂SO₄ in conjunction with other antiretroviral agents to treat HIV infected patients.]