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De - Pt| English Dictionary: tannin | by the DICT Development Group |
| 3 results for tannin | |
| From WordNet (r) 3.0 (2006) [wn]: | |
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| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Tannic \Tan"nic\, a. 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. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Tannin \Tan"nin\, n. [Cf. F. tannin.] (Chem.) Same as {Tannic acid}, under {Tannic}. | |
