Definition of A3 in English:

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[mass noun]
1A standard European size of paper, 420 × 297 mm: [as modifier]: A3 posters
More example sentences
  • Attached to the piece was a sheet of A3 paper folded in half so as to resemble an open magazine.
  • The leaflets, A3 in size, were handed over to the council.
  • The farmers' market takes place every fortnight and Mrs Lupton said they have put up yellow A3 posters for the last year.
1.1A3 paper: a prospectus printed on A3
More example sentences
  • The 250MHz processor and standard 32MB allows the 8150 to rip through even complex graphics jobs and it can print up to 1,200x1,200 dots per inch on A3 or A4.
  • I hadn't yet worked out that you can fold A3 in half and make it into double the amount of A4.
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