A4

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

   • 2001, Eoin Colfer, Artemis Fowl, page 66:

     "There are preparations to be made for our guest's arrival," said Artemis, handing a typewritten sheet of A4 to Juliet.

• (A paper sizes): 2A0   A0   A1   A2   A3   A4   A5   A6   A7   A8   A9   A10

A4

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.

2. (Britain, rail transport) A4 class, a class of steam locomotive used on the London and North Eastern Railway.

A4 (singular and plural A4, comparative mer A4, superlative mest A4)

1. A standard paper paper size that's in common use
2. Being the typical, what one would expect, without deviating from the norm, average.

• A4-ark
• A4-menneske
• A4-liv

A4 (singular and plural A4, comparative meir A4, superlative mest A4)

1. A standard paper paper size that's in common use
2. Being the typical, what one would expect, without deviating from the norm, average.

• A4-ark
• A4-menneske
• A4-liv