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epidiascope

[ep-i-dahy-uh-skohp]
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noun Optics.
  1. a type of magic lantern that projects the image of an opaque object onto a screen.
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Origin of epidiascope

First recorded in 1900–05; epi- + dia- + -scope
Also called episcope.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for epidiascope

epidiascope

noun
  1. an optical device for projecting a magnified image onto a screenSee also episcope
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012