(classical studies) A twelfth part, an ounce, or an inch.
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A bronzecoin minted during the Roman Republic, valued at one-twelfth of an as.
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(algebra) A numerical coefficient in a case of the binomial theorem.
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Origin of uncia
1685–95, from Latinuncia. Compare inch, ounce, Latin ūnus (“one”).
From
Wiktionary
Uncia Sentence Examples
AS, the Roman unit of weight and measure, divided into 12 unciae (whence both "ounce" and "inch"); its fractions being deunx i 2, dextans, dodrans 4 i bes 3, septunx T7-2-, semis z, quincunx A, triens 3 i quadrans 4, sextans s, sescuncia $, uncia r i g.
uncia, a twelfth part; cf.
It also passed into Italy, but in a smaller multiple of 35 drachmae, or 1/4th of the Greek mina; 12 Italian weights (44) bearing value marks (which cannot therefore be differently attributed) show a libra of 2400 or 1/4th of 9600, which was divided in unciae and sextulae, and the full-sized mina is known as the 24 uncia mina, or talent of 120 librae of Vitruvius and Isidore (18) = 9900.
Chron., 1871, 42), apparently the Roman uncia inherited.
uncia, twelfth part, of weight, of a pound, of measure, of a foot, in which sense it gives the O.Eng.