/ Dictionary / Index S silicic: Meaning and Definition of Find definitions for: si•lic•ic Pronunciation: (su-lis'ik), [key] — adj. Chem. containing silicon. of or pertaining to silica or acids derived from it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. siliceous silicic acid 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