Uncía(redirected from Uncia)
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Related to Uncia: Unica
a city in Bolivia. Population, 9,000 (1950). Uncía is linked by rail and highway with the cities of Oruro and La Paz. Tin is extracted near the city.
(1) A measure of weight in ancient Rome, consisting of one-twelfth of a libra, the primary measure of weight at the time. The uncia was equal to 27.166 g. It was widely used in all countries before the introduction of the metric system.
(2) An ancient Roman coin, minted from an alloy of copper, tin, and lead. The uncia was equal to one-twelfth of an as and weighed 27.28 g. The name “uncia” was also applied to the Spanish gold doubloon and the Chinese tael. In Sicily, the uncia served as a monetary unit until 1865.