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stereopticon

[ster-ee-op-ti-kuh n, -kon, steer-]
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noun Optics.
  1. a projector usually consisting of two complete lanterns arranged so that one picture appears to dissolve while the next is forming.
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Origin of stereopticon

1860–65, Americanism; stere(o)- + Greek optikón (neuter) optic
Related formsster·e·op·ti·can, adjectivester·e·op·ti·cian [ster-ee-op-tish-uh n, steer-] /ˌstɛr i ɒpˈtɪʃ ən, ˌstɪər-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for stereopticon

Historical Examples

  • Or, they may be transferred to lantern slides and shown by means of the stereopticon.

    College Teaching

    Paul Klapper

  • In the stereopticon, the carbons are usually placed at right angles as in Fig. 277.

    Physics

    Willis Eugene Tower

  • There was to be a stereopticon entertainment at their Sunday-school, and they were all going.

    The Girl Warriors

    Adene Williams

  • The stereopticon man had no sympathy with any particular class.

  • It was the man who managed the stereopticon who revealed the new banner.

British Dictionary definitions for stereopticon

stereopticon

noun
  1. a type of projector with two complete units arranged so that one picture dissolves as the next is forming
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Word Origin

C19: from stereo- + Greek optikon, neuter form of optikos optic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012