# uncia

> English word · Noun · IPA /ˈʌnʃi.ə/

## Definitions
1. The Roman ounce, 1/12 of a Roman pound.
2. The Roman inch, 1/12 of a Roman foot.
3. A bronze coin minted by the Roman Republic, 1/12 of an as.
4. A Roman unit of land area, 1/12 of a jugerum.
5. Synonym of ounce, the English and American avoirdupois unit of mass.
6. Synonym of twelfth.
7. A numerical coefficient in a binomial.

## Etymology
From Latin uncia (“various Roman units”). Doublet of ounce, inch, onça, onza, oka, ouguiya, and awqiyyah.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/uncia