/ Dictionary / Index S sideroscope: Meaning and Definition of Find definitions for: sid•er•o•scope Pronunciation: (sid'ur-u-skōp"), [key] — n. Ophthalm. an apparatus for detecting splinters of iron or steel in the eye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. siderophile siderosis Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language