/ Dictionary / Index S silicon tetrachloride: Meaning and Definition of Find definitions for: sil'icon tetrachlo'ride Pronunciation: [key] — Chem. Chem. a colorless, fuming liquid, SiCl, used chiefly for making smoke screens and various derivatives of silicon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. siliconized silicon tetrafluoride 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