- 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
WordReference Random House Learner's Dictionary of American English © 2026
ster•e•o•scope /ˈstɛriəˌskoʊp, ˈstɪr-/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Opticsan instrument for viewing things in which two pictures of the same object that were taken from slightly different points of view are looked at, one by each eye, producing the effect of a single picture and the appearance of depth.
ster•e•o•scope
(ster′ē ə skōp′, stēr′-),USA pronunciation n.
- Opticsan 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.
- stereo- + -scope 1830–40
Collins Concise English Dictionary © HarperCollins Publishers::
stereoscope /ˈstɛrɪəˌskəʊp; ˈstɪər-/ n
'stereoscope' also found in these entries (note: many are not synonyms or translations):