metalloid: Meaning and Definition of
met•al•loid
Pronunciation: (met'l-oid"), [key]
— n.
- a nonmetal that in combination with a metal forms an alloy.
- an element that has both metallic and nonmetallic properties, as arsenic, silicon, or boron.
—adj.
- of or pertaining to a metalloid.
- resembling both a metal and a nonmetal.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.