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opaque projector

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noun
  1. 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 formsopaque projecting, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for opaque projector

opaque projector

noun
  1. US and 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 lightAlso 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