trass
[tras]
- 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/.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for trass
Historical Examples
He wished that the Trass boy would talk forever about destiny.
Whilomville StoriesStephen Crane
But the Trass boy finished his remarks about destiny in a very short time.
Whilomville StoriesStephen 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-HouseRobert Stevenson
Sometimes a proportion of common sand mortar instead of lime is mixed with the trass.
Trass, tras, n. a volcanic earth used as a hydraulic cement.
trass
- a variety of the volcanic rock tuff, used to make a hydraulic cement
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Word Origin
from Dutch tras, tarasse, from Italian terrazza worthless earth; see terrace
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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