Definition of A3 in English:



mass noun
  • 1A standard European size of paper, 420 × 297 mm.

    as modifier ‘A3 posters’
    • ‘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. 1.1 A3 paper.
      ‘a prospectus printed on A3’
      • ‘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.’