/ Dictionary / Index S stibium: Meaning and Definition of Find definitions for: stib•i•um Pronunciation: (stib'ē-um), [key] — n. Chem. antimony. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stibine stibnite Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language