Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • abbreviation astronomical unit

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The ISO 3166-1 two-letter (alpha-2) code for Australia.
  • noun astronomy Initialism of astronomical unit.
  • noun Initialism of angstrom unit.
  • noun Initialism of alternate universe.
  • proper noun Initialism of African Union.

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word AU.

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.