/ Dictionary / Index S stereopticon: Meaning and Definition of Find definitions for: ster•e•op•ti•con Pronunciation: (ster"ē-op'ti-kun, -kon", stēr"-), [key] — n. Optics. a projector usually consisting of two complete lanterns arranged so that one picture appears to dissolve while the next is forming. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stereopsis stereoregularity Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language