AU

See also: Appendix:Variations of "au"

Translingual

Symbol

AU

1. The ISO 3166-1 two-letter (alpha-2) code for Australia.
2. astronomical unit

Usage notes

(astronomical unit): Though "AU" is in frequent use by professional bodies and the public, the recommended unit symbol is au by the IAU and ua by the BIPM.

Synonyms

(astronomical unit):

• au (the IAU recommended unit symbol for astronomical units)
• ua (the BIPM recommended unit symbol for astronomical units)
• ㍳ (Unicode glyph for astronomical unit)

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English

Noun

AU ‎(plural AUs)

1. (astronomy) Initialism of astronomical unit.
2. Initialism of angstrom unit.
3. (fandom slang) Initialism of alternate universe.

Proper noun

AU

1. Initialism of African Union.

Anagrams

• uA