• synonyms


  1. an optical instrument for producing an image in which the depth or relief of an object is reversed.
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Compare stereoscope.

Origin of pseudoscope

First recorded in 1850–55; pseudo- + -scope
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pseudoscope

Historical Examples of pseudoscope

  • Of course in this practical age the inquiry is put—Of what use is the stereoscope or pseudoscope?

    Chambers's Edinburgh Journal, No. 426


  • The pseudoscope which produces effects opposite to those of the stereoscope is an interesting device.

    Visual Illusions

    Matthew Luckiesh