stereoscope

[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.
Origin
1830-40; stereo- + -scope
Examples from the web for stereoscope
  • Participants in this study were simultaneously shown a different image to each of their eyes using a mirror stereoscope.
  • He uses the new instrument, the stereoscope, as a tool for thinking about how our eyes see solid things.
  • One of the boys' toys is also in the sitting room: a stereoscope.
  • Any buyer of the photographs who wishes to see the three-dimensional view can buy pairs and view them through the stereoscope.
  • The aerial photographs were overlaid with mylar film and examined under a stereoscope.
  • Viewing these overlapping photos through a stereoscope gives a three-dimensional image of the land surface.
  • Families liked to play games and look into the stereoscope.
  • With the stereoscope serving as the instrument of choice in the war of perceptions, imagery transformed the battlefield.
  • Using a stereoscope to bring images on adjacent photographs into coincidence.
  • The vertical exaggeration provided by the stereoscope aided in the identification of linearly trending topographic offsets.
British Dictionary definitions for stereoscope

stereoscope

/ˈstɛrɪəˌskəʊp; ˈstɪər-/
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 in Medicine

stereoscope ster·e·o·scope (stěr'ē-ə-skōp', stēr'-)
n.
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.

stereoscope in Science
stereoscope
  (stěr'ē-ə-skōp')   
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.