Definition of tannin Tannin
tan•nin
We found 7 definitions of tannin from 7 different sources.
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What does tannin mean?
WordNet
NounPlural: tannins |
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| tannin - any of various complex phenolic substances of plant origin; used in tanning and in medicine | ||
| tannic acid | ||
| phenol any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups | ||
| cutch, kutch tannin extract derived from any of several mangrove barks of Pacific areas | ||
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Wiktionary 
- tannin (Noun)
tannic Tannic acid or any of its derivatives.
Webster DictionaryWebster's Unabridged Dictionary 📘
- tannin (n.)
Same as Tannic acid, under Tannic.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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tannin
One of a group of complex organic chemicals commonly found in leaves, unripe fruits, and the bark of trees.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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tannin
tan′in, n. an astringent substance found largely in oak-bark or gall-nuts, of great use in tanning.—n. Tann′ate, a salt of tannic acid.—adjs. Tann′ic; Tannif′erous, yielding tannin.—n. Tan′-ride, an enclosure spread with tan for riding.—Tannic acid, an acid forming the astringent principle of the bark of oak and other trees, used in tanning and in medicine. [Fr. tannin.]
Wikipedia 
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Tannins are bitter-tasting chemical compounds that bind proteins.
Tannins are also used in the treatment of leather, to make it more durable.
Part of speech
🔤- tannin, noun, singular of tannins.
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