# tannin

> English word · Noun · IPA /ˈtænɪn/ · frequency rank #56,479

## Definitions
1. Tannic acid or any of its derivatives.

## Etymology
From French tannin, from Latin tannum (“oak bark”), from Gaulish *tannos (“oak”). Related to tan. By surface analysis, tann- + -in.

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