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rear projection

See more synonyms for rear projection on Thesaurus.com
noun Movies.
  1. the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
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Origin of rear projection

First recorded in 1955–60
Also called back projection, background projection.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018