Tannin

//ˈtænɪn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Tannic acid or any of its derivatives.
  2. 2
    An evil sea monster in Canaanite and Hebrew mythology.
  3. 3
    any of various complex phenolic substances of plant origin; used in tanning and in medicine wordnet

Synonyms

All synonyms
e181e181 when used as a food colouringtannic acidtannoid

Example

More examples

"The black tea has more tannin since black tea leaves are more oxidized."

Etymology

Etymology 1

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

Etymology 2

Borrowed from Hebrew תַּנִּין (tannīn).

Related phrases

tannic acid

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.