from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A twelfth part, an ounce, or an inch.
- n. An ounce.
- n. A bronze coin minted during the Roman Republic, valued at one-twelfth of an as.
- n. A numerical coefficient in a case of the binomial theorem.
from the GNU version of the Collaborative International Dictionary of English
- n. A twelfth part, as of the Roman as; an ounce.
- n. A numerical coefficient in any particular case of the binomial theorem.
from The Century Dictionary and Cyclopedia
- n. In Roman antiquity, a twelfth part, as of the Roman as; an ounce; an inch; etc.
- n. A copper coin of the ancient Roman republic, the twelfth part of the as. See as, 3.
- n. A former name for the numerical coefficient of any term of the binomial theorem.
1685–95, from Latin uncia. Compare inch, ounce, Latin ūnus ("one"). (Wiktionary)