/ Dictionary / Index N nonconductor: Meaning and Definition of Find definitions for: non•con•duc•tor Pronunciation: (non"kun-duk'tur), [key] — n. a substance that does not readily conduct heat, sound, or electricity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nonconductor (Thesaurus) noncondensing engine nonconformance Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language