TRASS

Etymology

Noun

trass (countable and uncountable, plural trasses)

(geology) A white to grey volcanic tufa, formed of decomposed trachytic cinders, sometimes used as a cement.

A coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water.

Anagrams

• Stars, sarts, stars, tsars

Source: Wiktionary


Trass, n. Etym: [D. tras or Gr. trass, probably fr. It. terrazzo terrace. See Terrace.] (Geol.)

Definition: 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. [Formerly written also tarras, tarrace, terras.]

Note: The Dutch trass is made by burning and grinding a soft grayish rock found on the lower Rhine.

Source: Webster’s Unabridged Dictionary 1913 Edition



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