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tannin
DEFINITIONS OF:
tannin
1
n
any of various complex phenolic substances of plant origin; used in tanning and in medicine
Synonyms:
tannic acid
Types:
cutch
,
kutch
tannin extract derived from any of several mangrove barks of Pacific areas
catechin
a tannic acid that is extracted from black catechu as a white crystalline substance
Type of:
phenol
any of a class of weakly acidic organic compounds; molecule contains one or more hydroxyl groups
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