crude pine tar

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• 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

• 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 — 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

• Coal tar — is a brown or black liquid of extremely high viscosity, which smells of naphthalene and aromatic hydrocarbons. Coal tar is among the by products when coal is carbonized to make coke or gasified to make coal gas. Coal tars are complex and variable …   Wikipedia

• gum — (Roget s IV) n. Syn. resin, glue, pitch, tar, pine tar, cohesive substance, rosin, amber, wax. Commercial gums include: chewing gum, sealing wax, rosin, mucilage, eucalyptus, caoutchouc, crude rubber, chicle, latex, gum arabic, gum acacia, wattle …   English dictionary for students

• Edison Records — was the first record label, pioneering recorded sound and an important player in the early record industry. Early phonographs before commercial mass produced records Thomas A. Edison invented the phonograph, the first device for recording and… …   Wikipedia

• Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …   Wikipedia

• Oil shale — For the scientific technical journal, see Oil Shale (journal). Not to be confused with Shale oil or Tight oil. Oil shale Sedimentary Rock Combustion of oil shale Composition …   Wikipedia

• cañada — /keuhn yah deuh, yad euh/, n. Chiefly Western U.S. 1. a dry riverbed. 2. a small, deep canyon. [1840 50; < Sp, equiv. to cañ(a) CANE + ada n. suffix] * * * Canada Introduction Canada Background: A land of vast distances and rich natural resources …   Universalium

• Canada — /kan euh deuh/, n. a nation in N North America: a member of the Commonwealth of Nations. 29,123,194; 3,690,410 sq. mi. (9,558,160 sq. km). Cap.: Ottawa. * * * Canada Introduction Canada Background: A land of vast distances and rich natural… …   Universalium

• Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus …   Wikipedia