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Webster 1913 Edition

Tannin

Tan′nin

,

Noun.

[Cf. F.

tannin

.]

(Chem.)

Same as

Tannic acid

, under

.

Webster 1828 Edition

Tannin

TAN'NIN

,

Noun.

The chimical name of that astringent substance contained in vegetables, particularly in the bark of the oak and chestnut, and in gall-nut; the substance used to change raw hides into leather.