MASS n. 10 definitions
he bodies of the earth, planets, comets, sun, and all things in them, would grow cold and freeze, and become inactive masses. Sir I. Newton. A deep mass of continual sea is slower stirred To rage. Savile.
MASTER n. 12 definitions
A person holding an office of authority among the Freemasons, esp. the presiding officer; also, a person holding a similar office in other civic societies. Little masters, certain German engravers of the 16th century, so called from the extreme smallness of their prints. -- Master in chancery, an officer of courts of…
METALLOID n. 4 definitions
Now, one of several elementary substances which in the free state are unlike metals, and whose compounds possess or produce acid, rather than basic, properties; a nonmetal; as, boron, carbon, phosphorus, nitrogen, oxygen, sulphur, chlorine, bromine, etc., are metalloids.
METHYLENE n.
A hydrocarbon radical, CH2, not known in the free state, but regarded as an essential residue and component of certain derivatives of methane; as, methylene bromide, CH2Br2; -- formerly called also methene. Methylene blue (Chem.), an artificial dyestuff consisting of a complex sulphur derivative of diphenyl amine; -- c…