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[ster-ee-op-ti-kuh n, -kon, steer-] /ˌstɛr iˈɒp tɪ kən, -ˌkɒn, ˌstɪər-/
noun, Optics.
a projector usually consisting of two complete lanterns arranged so that one picture appears to dissolve while the next is forming.
Origin of stereopticon
1860-65, Americanism; stere(o)- + Greek optikón (neuter) optic
Related forms
stereoptican, adjective
[ster-ee-op-tish-uh n, steer-] /ˌstɛr i ɒpˈtɪʃ ən, ˌstɪər-/ (Show IPA),
noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for stereopticon
Historical Examples
  • In 1907, Jules Stampfler, the guide, was getting out a series of stereopticon views and he needed a name for that creek.

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

    College Teaching Paul Klapper
  • Let us now turn our “stereopticon on the screen of reminiscence,” using the pictures furnished by Shakib.

    The Book of Khalid Ameen Rihani
  • There was to be a stereopticon entertainment at their Sunday-school, and they were all going.

    The Girl Warriors Adene Williams
  • I may explain that it was a talk illustrated by stereopticon.

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

    When Sarah Went to School Elsie Singmaster
  • Sunday evening stereopticon lectures are run by the Christian Endeavor Society.

    The American Country Girl Martha Foote Crow
  • The stereopticon man had no sympathy with any particular class.

    When Sarah Went to School Elsie Singmaster
  • The question of the use of the stereopticon and moving pictures in connection with the church should be taken up.

    Woman's Club Work and Programs Caroline French Benton
  • He withdrew the firecracker slide and turned out the stereopticon.

    The Heroes of the School Allen Chapman
British Dictionary definitions for stereopticon


/ˌstɛrɪˈɒptɪkən; ˌstɪər-/
a type of projector with two complete units arranged so that one picture dissolves as the next is forming
Word Origin
C19: from stereo- + Greek optikon, neuter form of optikosoptic
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
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