n. | 1. | (Chem.) Any one of the set of elements which, as contrasted with the metals, possess, produce, or receive, acid rather than basic properties; a metalloid; |
Noun | 1. | nonmetal - a chemical element lacking typical metallic properties |
Adj. | 1. | nonmetal - not containing or resembling or characteristic of a metal; "nonmetallic elements" Synonyms: nonmetallic |