stereopticon

[ ster-ee-op-ti-kuh n, -kon, steer- ]

/ ˌstɛr iˈɒp tɪ kən, -ˌkɒn, ˌstɪər- /

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

Origin of stereopticon

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

ster·e·op·ti·can, adjective ster·e·op·ti·cian

[ster-ee-op-tish-uh n, steer-] /ˌstɛr i ɒpˈtɪʃ ən, ˌstɪər-/, noun

She owns the only stereopticon in town and generously sees to getting the slides for the monthly lectures.

The American Country Girl |Martha Foote Crow
Or, they may be transferred to lantern slides and shown by means of the stereopticon.

College Teaching |Paul Klapper
Sunday evening stereopticon lectures are run by the Christian Endeavor Society.

The American Country Girl |Martha Foote Crow
I procured a stereopticon, gave them lectures on my experience in Egypt, and lectures on art, biography and history.

From the Bottom Up |Alexander Irvine

Some years ago I had occasion to attend a stereopticon lecture on the Grand Caon.

The Lure of the Camera |Charles S. Olcott

stereopticon

/ (ˌstɛrɪˈɒptɪkən, ˌstɪər-) /

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