stereopticon

American  

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

noun

Optics.

1. 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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stereopticon British  

/ ˌstɛrɪˈɒptɪkən, ˌstɪər- /

noun

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

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Other Word Forms

• stereoptican adjective
• stereoptician noun

Etymology

Origin of stereopticon

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

Example Sentences

A stereopticon slide in the exhibit shows people wearing rags and, with a few exceptions, barefoot.

From Washington Times • Apr. 18, 2015

Mr. Boyle’s touch is evident in the cleverly orchestrated Mount Rushmore sequence in “North by Northwest,” in which large-format still photographs were rear-projected using stereopticon slides.

From New York Times • Aug. 3, 2010

Son Paul went through University of Iowa in three years, paid his way the last year with a stereopticon lantern.

From Time Magazine Archive

I've been a soubrette in burlesque and I've accompanied stereopticon slides.

From Time Magazine Archive

And she always had her stereopticon and slides, and some of her books.

From "Dragonwings" by Laurence Yep