TRASS n.
ite 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.]
WAVE n.
ergy; a tide; as, waves of enthusiasm. Wave front (Physics), the surface of initial displacement of the particles in a medium, as a wave of vibration advances. -- Wave length (Physics), the space, reckoned in the direction of propagation, occupied by a complete wave or undulation, as of light, sound, etc.; the distanc…
WOMAN'S CHRISTIAN TEMPERANCE UNION n.
An association of women formed in the United States in 1874, for the advancement of temperance by organizing preventive, educational, evangelistic, social, and legal work.