trass

[ tras ]

/ træs /

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noun

a light-colored type of volcanic tuff used in making water-resistant cement and mortar.

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Also called tar·ras

[tuh-ras] /təˈræs/ .

Origin of trass

First recorded in 1790–1800; from Dutch trass, from earlier terass, tieras, tiras “brick dust, rubbish,” from French terrasse; see terrace

Words nearby trass

trash-talk, trash-talking, trashy, Trasimene, Trasimeno, trass, trastuzumab, trattoria, Traube-Hering curves, Traubel, trauchle

How to use trass in a sentence

Sometimes a proportion of common sand mortar instead of lime is mixed with the trass.
A Dictionary of Arts, Manufactures and Mines|Andrew Ure
Trass, tras, n. a volcanic earth used as a hydraulic cement.
Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)|Various
After it has been quarried it is ground in mills, and used for cement stone under the name of trass.
Volcanoes: Past and Present|Edward Hull
He wished that the Trass boy would talk forever about destiny.
Whilomville Stories|Stephen Crane

The Dutch are very attentive in ascertaining the quality of the trass before using it in building their dikes.
An Account of the Bell Rock Light-House|Robert Stevenson

British Dictionary definitions for trass

trass

/ (træs) /

noun

a variety of the volcanic rock tuff, used to make a hydraulic cement

Word Origin for trass

from Dutch tras, tarasse, from Italian terrazza worthless earth; see terrace

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012