noun
: the projection of still or motion pictures onto a translucent screen that is then photographed from the opposite side and used as the background for live action sequences of a photoplay — called also back projection, process projection
noun
: the projection of still or motion pictures onto a translucent screen that is then photographed from the opposite side and used as the background for live action sequences of a photoplay — called also back projection, process projection
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012