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a.u.

From Wiktionary, the free dictionary
See also: Appendix:Variations of "au"

English

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Noun

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

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

Anagrams

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