A4
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A4
n
(Printing, Lithography & Bookbinding)
a. a standard paper size, 210 ×ばつ 297 mm
b. (as adjective): an A4 book.
See also A sizes Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014