A1

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1 1.1.1 Noun 1.1.1.1 See also 1.2 Etymology 2 1.2.1 Alternative spellings 1.2.2 Adjective 1.3 Etymology 3 1.3.1 Proper noun

[edit] English

[edit] Etymology 1

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

[edit] Noun

A1

1. A standard paper size, defined by ISO 216 to have dimensions: 841 x 594 mm (840.90 x 594.60 mm)

   a sheet of A1 paper

[edit] See also

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

[edit] Etymology 2

from various rating systems, as that of Lloyd's of London or the condition of insured ships.

[edit] Alternative spellings

• A-1

[edit] Adjective

A1 (not comparable)

1. In good health.
2. In excellent or top condition.

[edit] Etymology 3

[edit] Proper noun

A1

1. A major thoroughfare in England

   You should take the A1 north from Newcastle.

2. Under the International Union of Railways ("UIC") classification system, a steam locomotive that has two coupled driving wheels followed by two trailing wheels, with no leading wheels; also called an 0-2-2.