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Tannic   Listen
adjective
Tannic  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.






Collaborative International Dictionary of English 0.48








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"Tannic" Quotes from Famous Books



... great wrath that Delpha, who was careful to obey rules, found one day, in a crushing trough under her supervision, some scattered little pieces of iron. Now iron must never be allowed to come in contact with olive juice. The tannic acid in the olive juice acts very rapidly on the iron, producing a kind of ink, that turns the oil black and almost ruins it. The American's crushing troughs and weights were of granite. Delpha was sure Sara had scattered the pieces of iron in the crushing trough on purpose ...
— Out of the Triangle • Mary E. Bamford

... endowed in its stinging hairs with "formic acid," which avails to arrest bleeding; that Boxwood yields "buxine," a specific stimulant to those nerves of supply which command the hair bulbs; that Goosegrass or Clivers is of astringent benefit in cancer, because of its "tannic," "citric," and "rubichloric acids"; and that the Spider's Web is of real curative value in ague, because it affords an albuminous principle "allied to and ...
— Herbal Simples Approved for Modern Uses of Cure • William Thomas Fernie

... tannin in a Black tea, 12.85 per cent., and in a green tea as 17.80 per cent. But another analysis made by Y. Kazai, of the Imperial College of Agriculture of Japan, made the per centage of tannin (gallo- tannic acid) in a Green tea 10.64, and in a Black tea from the same leaf 4.89. In the green leaf from which these teas were derived he found 12.91 per cent. of tannin. This analysis indicates also that a portion of the tannin disappears in manufacturing ...
— Tea Leaves • Francis Leggett & Co.



Words linked to "Tannic" :   tannic acid, tannin



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