a.u.

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see also: A.U.

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Noun

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

1. Alternative spelling of AU rfclarify en
2. Abbreviation of atomic units.
3. Abbreviation of arbitrary units.
4. Abbreviation of astronomical units.
5. Abbreviation of absorbance units.

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A.U.

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Noun

a.u.

1. Alternative form of AU

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