METALLOIDS
Noun
metalloids
plural of metalloid
Source: Wiktionary
METALLOID
Met"al*loid, n. Etym: [L. metallum metal + -oid: cf. F. métalloïde.]
(a) Formerly, the metallic base of a fixed alkali, or alkaline earth;
– applied by Sir H. Davy to sodium, potassium, and some other
metallic substances whose metallic character was supposed to be not
well defined.
(b) 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.
Met"al*loid, a.
1. Having the appearance of a metal.
2. (Chem.)
Definition: Having the properties of a nonmetal; nonmetallic; acid;
negative.
Source: Webster’s Unabridged Dictionary 1913 Edition