Wood tar

Wood tar
Tar Tar, n. [OE. terre, tarre, AS. teru, teoru; akin to D. teer, G. teer, theer, Icel. tjara, Sw. tj["a]ra, Dan. ti[ae]re, and to E. tree. [root]63. See {Tree}.] A thick, black, viscous liquid obtained by the distillation of wood, coal, etc., and having a varied composition according to the temperature and material employed in obtaining it. [1913 Webster]

{Coal tar}. See in the Vocabulary.

{Mineral tar} (Min.), a kind of soft native bitumen.

{Tar board}, a strong quality of millboard made from junk and old tarred rope. --Knight.

{Tar water}. (a) A cold infusion of tar in water, used as a medicine. (b) The ammoniacal water of gas works.

{Wood tar}, tar obtained from wood. It is usually obtained by the distillation of the wood of the pine, spruce, or fir, and is used in varnishes, cements, and to render ropes, oakum, etc., impervious to water. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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Look at other dictionaries:

  • Wood tar — Wood Wood, n. [OE. wode, wude, AS. wudu, wiodu; akin to OHG. witu, Icel. vi?r, Dan. & Sw. ved wood, and probably to Ir. & Gael. fiodh, W. gwydd trees, shrubs.] [1913 Webster] 1. A large and thick collection of trees; a forest or grove; frequently …   The Collaborative International Dictionary of English

  • wood tar — wood′ tar n. chem. a dark, viscid wood product used to preserve timber, rope, etc., or distilled to yield creosote, oils, and pitch • Etymology: 1855–60 …   From formal English to slang

  • wood tar — n. a dark, sticky, syruplike substance obtained by destructive distillation of wood and used in the preservation of timber, rope, etc …   English World dictionary

  • wood tar — noun any tar obtained by the destructive distillation of wood • Hypernyms: ↑natural resin • Hyponyms: ↑pine tar * * * noun : tar obtained by the destructive distillation of wood either as a deposit from pyroligneous acid or as a residue from the… …   Useful english dictionary

  • wood tar — a dark viscid product obtained from wood by distillation or by slow burning without flame, used in its natural state to preserve timber, rope, etc., or subjected to further distillation to yield creosote, oils, and a final residuum, wood pitch.… …   Universalium

  • wood tar — degutas statusas T sritis chemija apibrėžtis Beržo medienos sausojo distiliavimo produktas. atitikmenys: angl. birch tar; tar; wood tar rus. берестовый деготь; деготь; древесный деготь …   Chemijos terminų aiškinamasis žodynas

  • wood tar — /ˈwʊd ta/ (say wood tah) noun a dark viscid product obtained from wood by distillation or burning slowly without flame, used in its natural state to preserve timber, etc., or subjected to further distillation, when it yields creosote, oils, and a …  

  • wood-tar creosote — noun : creosote 1 …   Useful english dictionary

  • wood-tar pitch — noun : pitch 1b …   Useful english dictionary

  • Tar — is a viscous black liquid derived from the destructive distillation of organic matter. Most tar is produced from coal as a byproduct of coke production, but it can also be produced from petroleum, peat or wood.Types of tarGeneralThe word tar is… …   Wikipedia

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