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opaque projector

a machine for projecting opaque objects, as books, on a screen, by means of reflected light.
Origin of opaque projector
First recorded in 1950-55
Related forms
opaque projecting, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for opaque projector

opaque projector

(US & Canadian) 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 Also called (in Britain and some other countries) 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
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