- mortar trass
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• пуццолановый или трассовый цемент• пуццолановый цемент• трассовый цемент
English-Russian dictionary of geology. 2011.
mortar trass
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Trass — Trass, n. [D. tras or Gr. trass, probably fr. It. terrazzo terrace. See {Terrace}.] (Geol.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar, durable in… … The Collaborative International Dictionary of English
Trass — is the local name of a volcanic tuff occurring in the Eifel, where it is worked for hydraulic mortar. It is a grey or cream coloured fragmental rock, largely composed of pumiceous dust, and may be regarded as a trachytic tuff. It much resembles… … Wikipedia
tarrace — Trass Trass, n. [D. tras or Gr. trass, probably fr. It. terrazzo terrace. See {Terrace}.] (Geol.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar,… … The Collaborative International Dictionary of English
tarras — Trass Trass, n. [D. tras or Gr. trass, probably fr. It. terrazzo terrace. See {Terrace}.] (Geol.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar,… … The Collaborative International Dictionary of English
terras — Trass Trass, n. [D. tras or Gr. trass, probably fr. It. terrazzo terrace. See {Terrace}.] (Geol.) A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement. Hence, a coarse sort of plaster or mortar,… … The Collaborative International Dictionary of English
Cement — In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The name cement goes back to the Romans who used the term opus caementicium to describe masonry… … Wikipedia
Tuff — (from the Italian tufo ) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff should not be confused with tufa , another type of rock. Volcanic ashThe products of a volcanic eruption are… … Wikipedia
