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[ster-ee-uh-skohp, steer-] /ˈstɛr i əˌskoʊp, ˈstɪər-/
an optical instrument through which two pictures of the same object, taken from slightly different points of view, are viewed, one by each eye, producing the effect of a single picture of the object, with the appearance of depth or relief.
Origin of stereoscope
First recorded in 1830-40; stereo- + -scope Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for stereoscope
Historical Examples
  • Sir David Brewster improved the stereoscope by dispensing with the mirrors, and bringing it into its existing form.

  • And there'll be the piano, and the stereoscope, and the games, in the parlor.

    We Girls: A Home Story Mrs. A. D. T. Whitney
  • These in the stereoscope exhibited all the relief resulting from binocular vision, and looked like a solid globe.

    History of Astronomy George Forbes
  • One day he tried taking with him the stereoscope and a pack of cards.

    Lady Into Fox David Garnett
  • Two views having been secured in stereoscopic register, and placed in a stereoscope, the part can be viewed in relief.

  • We have learned by the stereoscope that we have two different views of every object, and compose a third view from those two.

    The Voice in Singing Emma Seiler
  • Opposite the stereoscope on the wall hung a portrait of his mother.

  • Helmholtz's experiment probably seemed fantastic to the forger condemned by a stereoscope.

  • The idea was suggested to me in consequence of certain effects noticed in employing the stereoscope.

    Medical Essays Oliver Wendell Holmes, Sr.
  • Examination with the stereoscope showed no normal binocular fusion even during normal position of the eyes.

    Schweigger on Squint C. Schweigger
British Dictionary definitions for stereoscope


/ˈstɛrɪəˌskəʊp; ˈstɪər-/
an optical instrument for viewing two-dimensional pictures and giving them an illusion of depth and relief. It has a binocular eyepiece through which two slightly different pictures of the same object are viewed, one with each eye
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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stereoscope in Medicine

stereoscope ster·e·o·scope (stěr'ē-ə-skōp', stēr'-)
An optical instrument with two eyepieces used to impart a three-dimensional effect to two photographs of the same scene taken at slightly different angles.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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stereoscope in Science
An optical instrument through which two slightly different images (typically photographs) of the same scene are presented, one to each eye, providing an illusion of three dimensions. Modern virtual reality equipment often uses a stereoscope that presents animated, computer-generated images to the eyes, rather than photographic images. ◇ A stereogram is a single pair of photographic images used in a stereograph. See also stereoscopic vision.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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