/ Dictionary / Index S silicide: Meaning and Definition of Find definitions for: sil•i•cide Pronunciation: (sil'u-sīd", -sid), [key] — n. Chem. a compound of two elements, one of which is silicon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: silicide (Thesaurus) silicic acid siliciferous Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language