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Webster 1913 Edition


Tannic

Tan′nic

,
Adj.
Of or pertaining to tan; derived from, or resembling, tan;
as,
tannic
acid
.
Tannic acid
.
(Chem.)
(a)
An acid obtained from nutgalls as a yellow amorphous substance,
C14H10O9
, having an astringent taste, and forming with ferric salts a bluish-black compound, which is the basis of common ink. Called also
tannin
, and
gallotannic acid
.
(b)
By extension, any one of a series of astringent substances resembling tannin proper, widely diffused through the vegetable kingdom, as in oak bark, willow, catechu, tea, coffee, etc.

Definition 2024


tannic

tannic

English

Adjective

tannic (comparative more tannic, superlative most tannic)

  1. Pertaining to, containing, or obtained from tannin.

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