Wikipedia has an article on:


See also: a4


Etymology 1Edit

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


A4 (uncountable)

  1. A standard paper size, defined by ISO 216.
    dimensions: 210 x 297 mm
    • 2001Eoin Colfer, Artemis Fowl, p 66
      "There are preparations to be made for our guest's arrival," said Artemis, handing a typewritten sheet of A4 to Juliet.

See alsoEdit

Etymology 2Edit

Proper nounEdit


  1. one in a series of alphanumerics used in many national road systems.
    The A4, which runs from London to Bristol, used to be known as the Great West Road.
Last modified on 6 September 2011, at 12:48