Definitions for tanninˈtæn ɪn
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Random House Webster's College Dictionary
tan•ninˈtæn ɪn(n.)
any of a group of astringent vegetable principles or compounds, chiefly complex glucosides of catechol and pyrogallol, as the reddish compound that gives tanning properties to oak bark or the whitish compound that occurs in nutgalls.
Category: Chemistry
Origin of tannin:
earlier tanin < F (1798). See tan1, -in1
Princeton's WordNet
tannin, tannic acid(noun)
any of various complex phenolic substances of plant origin; used in tanning and in medicine
Wiktionary
tannin(Noun)
Tannic acid or any of its derivatives.
Webster Dictionary
Tannin(noun)
same as Tannic acid, under Tannic
The Nuttall Encyclopedia
Tannin
an astringent principle found in gallnuts and the bark chiefly of the oak.
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