epidiascope

American  

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

noun

Optics.

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

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epidiascope British  

/ ˌɛpɪˈdaɪəˌskəʊp /

noun

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

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Etymology

Origin of epidiascope

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

Example Sentences

With the arrival in Paris of the epidiascope to project and draw around images, and a change to harsh acrylics imitating silkscreened effects, his production accelerated, becoming more socially critical.

From The Guardian • Sep. 4, 2015

He would make them, mull over them, choose one and then, just like a 19th century painter enlarging a drawing through a grid, project it from an epidiascope onto the big canvas.

From Time Magazine Archive