gallotannic acid

gallotannic acid
Tannic Tan"nic, a. Of or pertaining to tan; derived from, or resembling, tan; as, tannic acid. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Gallotannic acid — Gallotannic Gal lo*tan nic, a. [Gall nutgall + tannic.] (Chem.) Pertaining to the tannin or nutgalls. [1913 Webster] {Gallotannic acid}. See {Tannic acid}, under {Tannic}. [1913 Webster] …   The Collaborative International Dictionary of English

  • gallotannic acid — tanino rūgštis statusas T sritis chemija formulė Formulę žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. gallotannic acid; gallotannin; tannic acid rus. галлодубильная кислота; дубильная кислота …   Chemijos terminų aiškinamasis žodynas

  • gallotannic acid — gal·lo·tan·nic acid .gal ō .tan ik , .gȯl n TANNIC ACID (1) * * * gal·lo·tan·nic ac·id (gal″o tanґik) tannic acid …   Medical dictionary

  • gallotannic acid — |galō, |gȯlō+... noun Etymology: gallo (from Latin galla gall) + tannic more at gall (excrescence) : gallotannin …   Useful english dictionary

  • Gallotannic — Gal lo*tan nic, a. [Gall nutgall + tannic.] (Chem.) Pertaining to the tannin or nutgalls. [1913 Webster] {Gallotannic acid}. See {Tannic acid}, under {Tannic}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Tannic acid — IUPAC name 2,3 dihydroxy 5 ({[(2R,3R,4S,5R,6R) 3,4,5,6 tetrakis({3,4 dihydroxy 5 [(3,4,5 trihydroxyphenyl)carbonyloxy]phenyl}carbonylox …   Wikipedia

  • tannic acid — A tannin, C76H52O46, that occurs in many plants, particularly in the bark of oaks and other members of the Fagaceae; used as a styptic and astringent, and in the treatment of diarrhea; available also as t. glycerite. Sometimes used synonymously… …   Medical dictionary

  • gallic acid — Chem. a white or yellowish, crystalline, sparingly water soluble solid, C7H6O5, obtained from nutgalls, used chiefly in tanning and in ink dyes. [1785 95; < F acide gallique] * * * ▪ chemical compound       substance occurring in many plants,… …   Universalium

  • Tannic acid — Tannic Tan nic, a. Of or pertaining to tan; derived from, or resembling, tan; as, tannic acid. [1913 Webster] {Tannic acid}. (Chem.) (a) An acid obtained from nutgalls as a yellow amorphous substance, {C14H10O9}, having an astringent taste, and… …   The Collaborative International Dictionary of English

  • tannic acid — tanino rūgštis statusas T sritis chemija formulė Formulę žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. gallotannic acid; gallotannin; tannic acid rus. галлодубильная кислота; дубильная кислота …   Chemijos terminų aiškinamasis žodynas

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