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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. 2017.
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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
  • It was the man who managed the stereopticon who revealed the new banner.

    When Sarah Went to School Elsie Singmaster
  • The stereopticon man had no sympathy with any particular class.

    When Sarah Went to School Elsie Singmaster
  • I may explain that it was a talk illustrated by stereopticon.

  • If properly used, a stereopticon is very helpful in Sunday-school work.

    Training the Teacher A. F. Schauffler
  • He withdrew the firecracker slide and turned out the stereopticon.

    The Heroes of the School Allen Chapman
  • "stereopticon lecture inside," he snapped, and turned his back.

    The Rules of the Game Stewart Edward White
  • Frank wants to say, "George went to the stereopticon yesterday."

    How To Do It Edward Everett Hale
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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