asphalt

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Asphalt \As"phalt\, Asphaltum \As*phal"tum\, noun [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 The Collaborative International Dictionary of English v.0.48 [gcide]:

Asphalt \As"phalt\, verb (used with an object) To cover with asphalt; as, to asphalt a roof; asphalted streets.

From WordNet (r) 3.0 (2006) [wn]:

asphalt

noun

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: {asphalt}, {mineral pitch}]

verb

1: cover with tar or asphalt; "asphalt the driveway"


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