au (uncountable)

  1. Abbreviation of atomic units}.
  2. Abbreviation of arbitrary units}.
  3. Abbreviation of astronomical units}.
  4. Abbreviation of absorbance units}.


au (plural aus)

  1. (astronomy) Initialism of astronomical unit
  2. Initialism of angstrom unit
  3. (fandom) Initialism of alternate universe
  4. Initialism of arbitrary unit
Proper noun
  1. Initialism of African Union

Proper noun
  1. A language spoken in Sandaun Province, Papua New Guinea.
Proper noun
  1. Surname of Chinese origin.

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