stereoscope

[ ster-ee-uh-skohp, steer- ]

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.

stereoscope

/ 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

stereoscope

/ 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

Word History and Origins

Origin of stereoscope¹

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

Example Sentences

He never once glanced either at the stereoscope, or at the page torn out of the diary.

From Project Gutenberg

Glancing cursorily into the stereoscope, he even fancied that she was averting her eyes because she was ashamed.

From Project Gutenberg

Examination with the stereoscope showed no normal binocular fusion even during normal position of the eyes.

From Project Gutenberg

It is desirable to use both methods of investigation, that with the stereoscope as well as prisms, as each test has its own value.

From Project Gutenberg

Spontaneous diplopia does not take place; only the right visual field is seen in the stereoscope.

From Project Gutenberg