stereoscope

American  

[ster-ee-uh-skohp, steer-] / ˈstɛr i əˌskoʊp, ˈstɪər- /

noun

1. 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.

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stereoscope British  

/ ˈstɪər-, ˈstɛrɪəˌskəʊp /

noun

1. 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

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stereoscope Scientific  

/ stĕr′ē-ə-skōp′ /

1. 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.

2. ◆ A stereogram is a single pair of photographic images used in a stereograph.

3. See also stereoscopic vision

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Etymology

Origin of stereoscope

First recorded in 1830–40; stereo- + -scope

Example Sentences

The collection includes prints, plus glass, nitrate and stereoscope negatives.

From Seattle Times • Jan. 20, 2023

This is where the stereoscope comes in, because, whatever you think of the system that surrounds him, Joe Burrow stands for something like hope for many of his fans in both Louisiana and Ohio.

From The New Yorker • Jan. 14, 2020

In fact, Abovitz keeps a 19th century stereoscope in his office to illustrate how fire-bending — I mean, stereoscopic 3D — is ancient and allegedly obsolete.

From The Verge • Aug. 27, 2018

The show has gathered 175 photographs, from early daguerreotypes to mass-market stereoscope cards, including some of the earliest photographic images ever made of the United States.

From Washington Post • Mar. 9, 2017

Only the left visual field is seen in the stereoscope.

From Schweigger on Squint A Monograph by Dr. C. Schweigger by Schweigger, C.