RUBBER n.
elastic durable variety of vulcanized caoutchouc of a red color. It contains antimony sulphide as an important constituent. -- Hard rubber, a kind of vulcanized caoutchouc which nearly resembles horn in texture, rigidity, etc. -- India rubber, caoutchouc. See Caoutchouc. -- Rubber cloth, cloth covered with caoutchou…
SALT n.
kaline salt (Chem.), a salt which gives an alkaline reaction, as sodium carbonate. -- Amphid salt (Old Chem.), a salt of the oxy type, formerly regarded as composed of two oxides, an acid and a basic oxide. [Obsolescent] -- Basic salt (Chem.) (a) A salt which contains more of the basic constituent than is required to…
SCRUB n.
ze, etc. [U.S.] Scrub bird (Zoöl.), an Australian passerine bird of the family Atrichornithidæ, as Atrichia clamosa; -- called also brush bird. -- Scrub oak (Bot.), the popular name of several dwarfish species of oak. The scrub oak of New England and the Middle States is Quercus ilicifolia, a scraggy shrub; that of th…