lignite tar

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• tar — I (New American Roget s College Thesaurus) n. asphalt, pitch, resin, bitumen; goo, sludge. v. besmirch, stain, blacken, defame; tar and feather. See navigation, covering, punishment. II (Roget s IV) n. 1. [A viscous liquid] Syn. pitch, mineral… …   English dictionary for students

• Coal tar — Coal Coal (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. {Kiln}, {Collier}.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or… …   The Collaborative International Dictionary of English

• 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

• Brown Lignite — Coal Coal (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. {Kiln}, {Collier}.] 1. A thoroughly charred, and extinguished or still ignited, fragment from wood or… …   The Collaborative International Dictionary of English

• coal tar — coal tar, adj. a thick, black, viscid liquid formed during the distillation of coal, that upon further distillation yields compounds, as benzene, anthracene, and phenol, from which are derived a large number of dyes, drugs, and other synthetic… …   Universalium

• 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

• Creosote — For other uses, see Creosote (disambiguation). Creosote is the portion of chemical products obtained by the distillation of a tar that remains heavier than water, notably useful for its anti septic and preservative properties.[1] It is produced… …   Wikipedia

• Benzothiophene — Chembox new Name = Benzothiophene ImageFile = Benzothiophene numbering.svg ImageName = Benzothiophene ImageFile1 = Benzothiophene3d.png ImageName1 = Benzothiophene IUPACName = benzo [ b ] thiophene OtherNames = benzothiophene thianaphthene… …   Wikipedia

• azulene — ˈazhəˌlēn noun ( s) Etymology: International Scientific Vocabulary azul (from Spanish azul blue, from Old Spanish azur, azul) + ene more at azure 1. a …   Useful english dictionary

• thianaphthene — |thīə|nafˌthēn, ÷ apˌth noun ( s) Etymology: thia (I) + naphth + ene : a crystalline heterocyclic compound C8H6S that has an odor like that of naphthalene and is found in lignite tar called also benzothiophene …   Useful english dictionary

• picene — I. ˈpīˌsēn adjective Usage: usually capitalized Etymology: Latin picenus of Picenum, from Picenum, ancient Roman province in eastern central Italy : picenian II. noun ( s) Usage …   Useful english dictionary