/ Dictionary / Index S silicon tetrahydride: Meaning and Definition of Find definitions for: sil'icon tetrahy'dride Pronunciation: [key] — Chem. Chem. silane (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. silicon tetrafluoride Silicon Valley Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language