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

The effect is at once newfangled and old-fashioned, a mod stereopticon.

From The New Yorker

As you might expect, the silent images do look like a turn-of-the-20th-century stereopticon in which, yes, the images and the people therein are actually moving.

From The Wall Street Journal

Along with hundreds of vacuum cleaners, Gorsuch began loading the first of an estimated 10,000 stereopticon cards - each one featuring a side-by-side pair of photographs that provide a 3-D image when seen through the hand-held set of lenses.

From Washington Times

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

From Washington Times

There were her stereopticon, her slides, her world globe—almost all the essentials of life, Miss Whitlaw said, disregarding food, clothes, and bedding.

From Literature