asphalt bitumen en
1asphalt — early 14c., hard, resinous mineral pitch found originally in Biblical lands, from L.L. asphaltum, from Gk. asphaltos asphalt, bitumen, probably from a non Greek source, possibly Semitic [Klein, citing Lewy, 1895]. Another theory holds it to be… …
2Asphalt — Note: The terms bitumen and asphalt are mostly interchangeable, except where asphalt is used as an abbreviation for asphalt concrete For other uses, see Asphalt (disambiguation). Natural bitumen from the Dead sea …
3bitumen — bituminoid /buy tooh meuh noyd , tyooh , bi /, adj. /buy tooh meuhn, tyooh , bi , bich oo /, n. 1. any of various natural substances, as asphalt, maltha, or gilsonite, consisting mainly of hydrocarbons. 2. (formerly) an asphalt of Asia Minor used …
4Bitumen — is a mixture of organic liquids that are highly viscous, black, sticky, entirely soluble in carbon disulfide, and composed primarily of highly condensed polycyclic aromatic hydrocarbons. Naturally occurring or crude bitumen is a sticky, tar like… …
5Asphalt concrete — Asphalt concrete. As shown in this cross section, many older roadways are …
6Asphalt — 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… …
7Asphalt rock — 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… …
8Asphalt stone — 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… …
9Asphalt [1] — Asphalt (Erdpech, Judenpech), fossiler, sauerstoffreicher Kohlenwasserstoff (Harz) (67–88% Kohlenstoff, 7–10% Wasserstoff, 2–23% Sauerstoff), kein Mineral, sondern als Gemenge ein Gestein. Amorph, bald flüssig, bald feil, stets… …
10Bitumen — Bi*tu men, n. [L. bitumen: cf. F. bitume. Cf. {B[ e]ton}.] 1. Mineral pitch; a black, tarry substance, burning with a bright flame; Jew s pitch. It occurs as an abundant natural product in many places, as on the shores of the Dead and Caspian… …
