stereomonoscope

English

Etymology

From stereo- +‎ mono- +‎ -scope.

Noun

stereomonoscope (plural stereomonoscopes)

1. An instrument with two lenses, by which an image of a single picture projected on a screen of ground glass is made to present an appearance of relief, and may be viewed by several persons at once.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “stereomonoscope”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)