Definition of trass Trass

trass

We found 4 definitions of trass from 3 different sources.

What does trass mean?

Wiktionary

trass (Noun)
A white to grey volcanic tufa, formed of decomposed trachytic cinders, sometimes used as a cement.
trass (Noun)
A coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water.

Webster DictionaryWebster's Unabridged Dictionary 📘

trass (n.)
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 water, and used to line cisterns and other reservoirs of water.

Chambers DictionaryChamber's 20th Century Dictionary 📕

trass
tras, n. a volcanic earth used as a hydraulic cement. [Dut. tras.]

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