/ Dictionary / Index S selenide: Meaning and Definition of Find definitions for: sel•e•nide Pronunciation: (sel'u-nīd", -nid), [key] — n. Chem. any compound in which bivalent selenium is combined with a positive element, as potassium selenide, KSe, or with a group. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. selenic acid seleniferous Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language