/ Dictionary / Index E electronegative: Meaning and Definition of Find definitions for: e•lec•tro•neg•a•tive Pronunciation: (i-lek"trō-neg'u-tiv), [key] — adj. Physical Chem. containing negative electricity; tending to migrate to the positive pole in electrolysis. assuming negative potential when in contact with a dissimilar substance. nonmetallic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: electronegative (Thesaurus) electron diffraction electroneutral Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language