A3

See also: A-3, a3, and a-3

Translingual

A3

(international standards) ISO 216 standard paper size of 297 mm × 420 mm (11.69 in × 16.54 in), with a surface area of 0.125 m² (1.34 sq ft).
(finance) Long-term bond credit rating by Moody's Investors Service, indicating that a bond is upper-medium grade with low risk of default.

See the Wikipedia article ISO 216, the international standard on paper sizes.

A3 (usually uncountable, plural A3s)

(countable, management) A one-page document, often tabular or graphical, on such paper.
(UK, rail transport) A3 class, a class of steam locomotive used on the London and North Eastern Railway.

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Norwegian Bokmål Wikipedia has an article on:

A3

See the Wikipedia article ISO 216, the international standard on paper sizes.

A standard paper size, defined by ISO 216.
dimensions: 420 x 297 mm (420.448 x 297.302 mm)