opaque-projecting

opaque projector

noun
a machine for projecting opaque objects, as books, on a screen, by means of reflected light.

Origin:
1950–55

opaque projecting, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
opaque projector
 
n
(US), (Canadian) Also called (in Britain and some other countries): episcope an optical device that projects an enlarged image of an opaque object, such as a printed page or photographic print, onto a screen by means of reflected light

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