A3


Meaning of A3 in English

A3 /ˌeɪ ˈθriː◂/ BrE AmE noun [uncountable]

a standard size of paper, used in Europe and Japan. A3 paper measures 297 x 420 ↑ millimetre s ⇨ A4 , A5

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.