الإنجليزية - الإنجليزية
تعريف trass في الإنجليزية الإنجليزية القاموس.
- {n} a gray or yellowish porous stone
- Hence, a coarse sort of plaster or mortar, durable in water, and used to line cisterns and other reservoirs of water
- A light-colored tuff used in hydraulic cement
- A white to gray volcanic tufa, formed of decomposed trachytic cinders; sometimes used as a cement