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Meaning of stereopticon

ster•e•op•ti•con

Pronunciation: (ster"ē-op'ti-kun, -kon", stēr"-), [key]
— n. Optics.
  1. 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.