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stereopticon

[ ster-ee-op-ti-kuhn, -kon, steer- ]
/ ˌstɛr iˈɒp tɪ kən, -ˌkɒn, ˌstɪər- /
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noun Optics.

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

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Origin of stereopticon

1860–65, Americanism;stere(o)- + Greek optikón (neuter) optic
ster·e·op·ti·can, adjectivester·e·op·ti·cian [ster-ee-op-tish-uhn, steer-], /ˌstɛr i ɒpˈtɪʃ ən, ˌstɪər-/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for stereopticon

stereopticon
/ (ˌstɛrɪˈɒptɪkən, ˌstɪər-) /

noun

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