1. A white to grey 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

Derived forms: trasses

Encyclopedia: Trass

• coefficient of elasticity
• coefficient of expansion
• coefficient of friction
• coefficient of mutual induction
• coefficient of reflection
• coefficient of self induction
• coefficient of viscosity
• coelacanth
• Coelenterata
• coelenterate
• coelenterate family
• coelenterate genus
• coelenteron
• coeliac
• coeliac disease
• coeliac plexus
• Coeloglossum
• Coeloglossum bracteatum
• Coeloglossum viride
• coelogyne
• coelom
• coelophysis
• coelostat
• coenobite
• coenobitic