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A projector used to view images of nontransparent materials, such as printed sheets or drawings.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Photography) 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 light. Also called (in Britain and some other countries): episcope
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a machine for projecting opaque objects, as books, on a screen, by means of reflected light.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.