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A1

A1

3 4.2
A large paper size used for posters and drawings, measuring 594 by 841 millimetres
  • noun
  • UK
: A1
  • If you need to print a poster, be sure to use the A1 size for better visibility.

Examples

  • She filled out an application form that was printed on A1 paper.

  • Wait Out 'Operation DESERT CALM,' 8 June 1991, Final edition, p. A1.

    Academic text (1996)
  • Stanley, Allessandra. "Poet Told All; Therapist Provides Record." New York Times, 15 July 1991: A1.

    Fiction book (1993)
  • See Tim Bonfield, Some Say Smog Law Too Strict, CIN. ENQUIRER, Aug. 22, 1995, at A1.

    Academic text (1996)
  • The A1 is the most common paper size used for printing documents in Europe.

Compounds

vitamin A1
  • Specialized
1 3.8

A vitamin found in fish liver oils that keeps eyes healthy

How Big

A0
  • UK
4.8
A1
  • UK
3 4.2
A2
  • UK
1 4.4
A4
  • UK
2 2.3
A5
  • UK
1 3.6
A6
  • UK
1 4.9

Surface Forms

A1 singular
A1s plural

Etymology

The word A1 comes from the simple 'A' series of paper sizes. A helpful way to remember it is to think of A4, your everyday printer paper. A1 is a much larger sheet in the same family, so it is used for posters and plans.