[ ster-ee-op-ti-kuh n, -kon, steer- ]
/ ˌstɛr iˈɒp tɪ kən, -ˌkɒn, ˌstɪər- /

noun Optics.

a projector usually consisting of two complete lanterns arranged so that one picture appears to dissolve while the next is forming.

Nearby words

  1. stereophonic,
  2. stereophony,
  3. stereophotography,
  4. stereopsis,
  5. stereoptican,
  6. stereoradiography,
  7. stereoregularity,
  8. stereoscope,
  9. stereoscopic,
  10. stereoscopic microscope

Origin of stereopticon

1860–65, Americanism; stere(o)- + Greek optikón (neuter) optic

Related formsster·e·op·ti·can, adjectivester·e·op·ti·cian [ster-ee-op-tish-uh n, steer-] /ˌstɛr i ɒpˈtɪʃ ən, ˌstɪər-/, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for stereoptican


/ (ˌstɛrɪˈɒptɪkən, ˌstɪər-) /


a type of projector with two complete units arranged so that one picture dissolves as the next is forming

Word Origin for stereopticon

C19: from stereo- + Greek optikon, neuter form of optikos optic

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for stereoptican



"double magic lantern producing dissolving views," from stereo- + Greek optikon, neuter of optikos "pertaining to sight" (see optic).

Online Etymology Dictionary, © 2010 Douglas Harper