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more about asphalt
asphalt |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Asphalt \As"phalt\, Asphaltum \As*phal"tum\, n. [Gr. ?, of eastern origin: cf F. asphalte.] 1. Mineral pitch, Jews' pitch, or compact native bitumen. It is brittle, of a black or brown color and high luster on a surface of fracture; it melts and burns when heated, leaving no residue. It occurs on the surface and shores of the Dead Sea, which is therefore called Asphaltites or the Asphaltic Lake. It is found also in many parts of Asia, Europe, and America. See {Bitumen}. 2. A composition of bitumen, pitch, lime, and gravel, used for forming pavements, and as a water-proof cement for bridges, roofs, etc.; asphaltic cement. Artificial asphalt is prepared from coal tar, lime, sand, etc {Asphalt stone}, {Asphalt rock}, a limestone found impregnated with asphalt. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Asphalt \As"phalt\, v. t. To cover with asphalt; as to asphalt a roof; asphalted streets. From WordNet r 1.6 [wn]: asphalt adj : covered with paving material [syn: {macadam}, {macadamized}, {tarmac}, {tarmacadam}] n 1: mixed asphalt and crushed gravel or sand; used especially for paving but also for roofing 2: a dark bituminous substance found in natural beds and as residue from petroleum distillation; consists mainly of hydrocarbons [syn: {mineral pitch}] v : cover with tar or asphalt, of roads [syn: {tar}]
more about asphalt
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