- a standard paper size, 297 × 420 mm
- (as adjective)an A3 book
British Dictionary definitions for a3 (2 of 2)
Examples from the Web for a3
A3: We have the responsibility to be kind to one another, and that responsibility extends to celebrities, too.
A2 seemed the most promising, but A3 could also have potential, so I would carry these two options on to the next level.A Mathematically Impossible Novel: Manil Suri Explains “The City of Devi”|Manil Suri|March 15, 2013|DAILY BEAST
Witness Kate Middleton, who drives the most boringly middle class car in Britain—a German-made Audi A3.
As Bleckner put it to The Daily Beast, A3 is a study in “luxury, tragedy, and beauty.”
Prints of the images from A3 are currently on sale at ArtSpace.
Let us next examine the seventh glyph or term from the bottom (A3) and see how it is formed.
"Pieces contained in this Book," A3 misprinted A2 (verso blank).
The cycle is very clearly recorded in A3, the clasped hand being of a particularly realistic form.
The two collotype plates represent A2 recto (title page) and A3 recto in the Dyce copy of the original.The Scottish History of James the Fourth|Robert Greene
The barding (A3) probably dates from the last years of the fifteenth century.Spanish Arms and Armour|Albert F. Calvert