epidiascope

American

[ep-i-dahy-uh-skohp] / ˌɛp ɪˈdaɪ əˌskoʊp /

noun

Optics.

a type of magic lantern that projects the image of an opaque object onto a screen.

epidiascope British

/ ˌɛpɪˈdaɪəˌskəʊp /

noun

an optical device for projecting a magnified image onto a screen See also episcope

"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

Etymology

Origin of epidiascope

First recorded in 1900–05; epi- + dia- + -scope

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