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balopticon

American

[ba-lop-ti-kon, buh-] / bæˈlɒp tɪˌkɒn, bə- /

noun

a type of stereopticon for projecting images of objects by reflected light.

Etymology

Origin of balopticon

Formerly trademark

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.