trass

Meaning

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

Synonyms

ash

volcanic ash

pozzolan

pozzolana

tephros

Translations

tras

Trass

trass

trass

Pronounced as (IPA)

/tɹɑːs/

Etymology

From Dutch tras or German Trass, probably from Italian terrazzo (“terrace”). See terrace.