oak bark tannin

oak bark tannin
таннид дубовой коры

English-Russian dictionary of leather and footwear industry. .

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  • tannin — (n.) vegetable substance capable of converting animal hide to leather, 1802, from Fr. tannin (1798), from tan crushed oak bark containing tannin (see TAN (Cf. tan) (v.)). Tannic acid first recorded 1836, from Fr. acide tannique, inroduced 1834 by …   Etymology dictionary

  • Tannin — For other uses, see Tannin (demon). Tannic acid …   Wikipedia

  • tannin — /tan in/, n. 1. Chem. any of a group of astringent vegetable principles or compounds, chiefly complex glucosides of catechol and pyrogallol, as the reddish compound that gives the tanning properties to oak bark or the whitish compound that occurs …   Universalium

  • Oak — Quercus redirects here. For other uses, see Quercus (disambiguation). This article is about oaks (Quercus). For other uses of Oak , see Oak (disambiguation). Oak Foliage and acorns of Quercus robur …   Wikipedia

  • Bark mill — Waterwheel at Combe House Hotel in Holford, Somerset, England. The overshot waterwheel was cast by Bridgwater ironfounder H Culverwell Co in 1892 to replace an earlier wheel. It was used to grind oak bark for the tannery complex established here… …   Wikipedia

  • oak leather — noun 1. : a mycelial mat formed in decaying oak wood 2. or oak tanned leather ˈ ̷ ̷ˌ ̷ ̷ : leather tanned with tannin derived from oak bark alone or from oak bark and other materials * * * Mycol. a thick sheet of mycelium occurring in decayed oak …   Useful english dictionary

  • tannin — 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

  • tannin — tan•nin [[t]ˈtæn ɪn[/t]] n. chem. any of a group of astringent vegetable principles or compounds, chiefly complex glucosides of catechol and pyrogallol, as the reddish compound that gives tanning properties to oak bark or the whitish compound… …   From formal English to slang

  • Bark — Bark, also known as periderm, is the outermost layer of stems and roots of woody plants such as trees. It overlays the wood and consists of three layers, the cork or phellem, the phelloderm and the cork cambium or phellogen. Products used by… …   Wikipedia

  • oak — oaklike, adj. /ohk/, n. 1. any tree or shrub belonging to the genus Quercus, of the beech family, bearing the acorn as fruit. 2. the hard, durable wood of such a tree, used in making furniture and in construction. 3. the leaves of this tree, esp …   Universalium

  • TANNIN —    an astringent principle found in gallnuts and the bark chiefly of the oak …   The Nuttall Encyclopaedia


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