/ Dictionary / Index N nonmetallic: Meaning and Definition of Find definitions for: non•me•tal•lic Pronunciation: (non"mu-tal'ik), [key] — adj. Chem. of or relating to a nonmetal. not of a metallic quality: a nonmetallic appearance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nonmetallic (Thesaurus) nonmetal nonmiscible Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language