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uncia

[uhn-shee-uh] /ˈʌn ʃi ə/
noun, plural unciae
[uhn-shee-ee] /ˈʌn ʃiˌi/ (Show IPA)
1.
a bronze coin of ancient Rome, the 12th part of an as.
2.
(in prescriptions) an ounce of weight or volume.
Origin of uncia
1685-1695
1685-95; < Latin: a twelfth part, akin to ūnus one; cf. inch1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for unciae
Historical Examples
  • Another way is to take two unciae of ore, a semi-uncia of litharge, two drachmae of Venetian glass and a semi-uncia of saltpetre.

    De Re Metallica Georgius Agricola
  • These "thorns" are apparently fairly rich, four unciae to the centumpondium being equivalent to about 97 ozs.

    De Re Metallica Georgius Agricola
  • The Romans commonly used fractions with denominator 12; these were described as unciae (ounces), being twelfths of the as (pound).

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8
11
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