/ Dictionary / Index S silicosis: Meaning and Definition of Find definitions for: sil•i•co•sis Pronunciation: (sil"i-kō'sis), [key] — n. Pathol. a disease of the lungs caused by the inhaling of siliceous particles, as by stonecutters. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: silicosis (Thesaurus) Silicon Valley siliculose 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