stereopticon
[ster-ee-op-ti-kuhn, -kon, steer-]
/ ˌstɛr iˈɒp tɪ kən, -ˌkɒn, ˌstɪər- /
NOUN
magic lantern
Synonyms
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.