from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. astronomical unit

from Wiktionary, Creative Commons Attribution/Share-Alike License

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


Sorry, no etymologies found.


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