METHYL n.
ammoniacal, fishy odor. It is produced artificially, and also occurs naturally in herring brine and other fishy products. It is regarded as ammonia in which a third of its hydrogen is replaced by methyl, and is a type of the class of substituted ammonias. -- Methyl ether (Chem.), a light, volatile ether CH3.O.CH3, obt…
SALT a. 3 definitions
Shak. Salt acid (Chem.), hydrochloric acid. -- Salt block, an apparatus for evaporating brine; a salt factory. Knight. -- Salt bottom, a flat piece of ground covered with saline efforescences. [Western U.S.] bartlett. -- Salt cake (Chem.), the white caked mass, consisting of sodium sulphate, which is obtained as th…
UMBRA n.
ies (U. cirrhosa), which is highly esteemed as a market fish; -- called also ombre, and umbrine. Umbra tree (Bot.), a tree (Phytolacca diocia) of the same genus as pokeweed. It is native of South America, but is now grown in southern Europe. It has large dark leaves, and a somber aspect. The juice of its berries is use…