A2

A-2 a2 a-2 Translingual thumb|The relative size of A2 paper. Etymology paper size Specified in ISO 216. Symbol 1 1 a bond is upper-medium grade with low risk of default en education languages Symbol for the second language certificate of the Common European Framework of Reference for Languages 420 594 See also Noun mul virology A type of Asian influenza virus. en mul 1877 John Holmes Dingle Biographical Memoirs 61 antibody response to Influenza (A2) virus. mul cardiology Aortic second sound. en mul 2012 Perloff, Joseph K.; Marelli, Ariane Perloff's Clinical Recognition of Congenital Heart Disease and the aortic component of the second sound (A2) is normal. See also aortic second sound en P2 mul Paper sizes English Proper noun en Ann Arbor. Norwegian Bokmål nb nb: 250px|thumb|Size illustration of paper sizes, including A2. Etymology See the Wikipedia article ISO 216, the international standard on paper sizes. Pronunciation nb /ˈɑːtuː/ nb NB - Pronunciation of Norwegian Bokmål «A2».ogg nb uː nb A 2 Noun nb noun nb uncountable A standard paper size, defined by ISO 216. dimensions: 594 x 420 mm See also References “A-format” in Store norske leksikon nb Paper sizes