Definition of “A4” - English Dictionary

british dictionary

“A4” in British English

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A4noun [ U ]

uk /ˌeɪˈfɔːr/ us /ˌeɪˈfɔːr/

in the UK, paper that is a standard size of 21 centimetres by 29.7 centimetres:

a sheet of A4
A4 paper

(Definition of “A4” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“A4” in Business English

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A4noun [ U ]

uk us

MEASURES, WORKPLACE a standard international paper size, measuring 210mm × 297mm:

It's not a long report – just a couple of sides of A4.

(Definition of “A4” from the Cambridge Business English Dictionary © Cambridge University Press)

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