UNCIA

Etymology

Noun

uncia (plural unciae)

(classical studies) A twelfth part, an ounce, or an inch.

(pharmacy) An ounce.

A bronze coin minted during the Roman Republic, valued at one-twelfth of an as.

(algebra, obsolete) A numerical coefficient in a case of the binomial theorem.

Source: Wiktionary

Un"ci*a, n.; pl. Unciæ. Etym: [L. See Ounce a measure of weight.]

1. (Rom. Antiq.)

Definition: A twelfth part, as of the Roman as; an ounce.

2. (Alg.)

Definition: A numerical coefficient in any particular case of the binomial theorem. [Obs.]

Source: Webster’s Unabridged Dictionary 1913 Edition