Asphaltum
21Asphaltgoudron — (Asphaltteer). Mit diesem Namen bezeichnet man in der Asphalttechnik den bei niedriger Temperatur harten und spröden, bei höherer aber flüssigen bituminösen Stoff, den man mit dem gepulverten Asphaltstein (s.d.) zusammenschmilzt, um nach Erkalten …
22photoengraving — /foh toh en gray ving/, n. 1. a photographic process of preparing printing plates for letterpress printing. 2. a plate so produced. 3. a print made from it. [1870 75; PHOTO + ENGRAVING] * * * Any of several processes for producing printing plates …
23asphalt — 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… …
24asphalt — /ˈæʃfɛlt / (say ashfelt), /ˈæsfɛlt / (say asfelt) noun 1. any of various dark coloured, solid bituminous substances, composed mostly of mixtures of hydrocarbons, occurring native in various parts of the earth. 2. a similar artificial substance,… …
25Adamic earth — Earth Earth ([ e]rth), n. [AS. eor[eth]e; akin to OS. ertha, OFries. irthe, D. aarde, OHG. erda, G. erde, Icel. j[ o]r[eth], Sw. & Dan. jord, Goth. a[=i]r[thorn]a, OHG. ero, Gr. ?, adv., to earth, and perh. to E. ear to plow.] 1. The globe or… …
26Albertite — Al bert*ite ([a^]l b[ e]rt*[imac]t), n. (Min.) A bituminous mineral resembling asphaltum, found in the county of Albert, New Brunswick. [1913 Webster] …
27Alkaline earths — Earth Earth ([ e]rth), n. [AS. eor[eth]e; akin to OS. ertha, OFries. irthe, D. aarde, OHG. erda, G. erde, Icel. j[ o]r[eth], Sw. & Dan. jord, Goth. a[=i]r[thorn]a, OHG. ero, Gr. ?, adv., to earth, and perh. to E. ear to plow.] 1. The globe or… …
28Asphalt — 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… …
29Asphalt 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… …
30Asphalt 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… …
