metalloid
/ˈmɛtəlɔɪd/ noun, adjective
Forms metalloids
- noun (chemistry) An element, such as silicon or germanium, intermediate in properties between that of a metal and a nonmetal; especially an elemental semiconductor.
- noun (chemistry, obsolete) The metallic base of a fixed alkali, or alkaline earth; applied to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined.
- noun (chemistry, obsolete) A nonmetal.
- adjective (not comparable) Of or relating to the metalloids.
- adjective (informal) Characteristic of the metal music genre.
Etymology
L. metallum metal + -oid: cf. F. métalloïde.
Webster’s 1913
- adjective Having the appearance of a metal.
- adjective Having the properties of a nonmetal; nonmetallic; acid; negative.
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “metalloid”, CC BY-SA 4.0. Details