a.u.

Definition from Wiktionary, the free dictionary
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English[edit]

Noun[edit]

a.u. (plural a.u.s)

  1. Alternative spelling of AU (clarification of this definition is needed)
  2. Abbreviation of atomic units.
  3. Abbreviation of arbitrary units.
  4. Abbreviation of astronomical units.
  5. Abbreviation of absorbance units.

Anagrams[edit]