TANNIN

tannin, tannic acid

(noun) any of various complex phenolic substances of plant origin; used in tanning and in medicine

Source: WordNet® 3.1

Etymology

Noun

tannin (plural tannins)

(chemistry) Tannic acid or any of its derivatives.

Synonyms

• E181 when used as a food colouring

Source: Wiktionary

Tan"nin, n. Etym: [Cf. F. tannin.] (Chem.)

Definition: Same as Tannic acid, under Tannic.

Source: Webster’s Unabridged Dictionary 1913 Edition

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