blue screen

[ bloo skreen ]

noun

, Movies, Television.

1. an electronic special-effects system that isolates and removes a static plain blue background from the live foreground shot so that the background can be filled or replaced with another image or video in a composite with the foreground.

blue screen

noun

1. a special effects film technique involving filming actors against a blue screen on which effects such as computerized graphics can be added later and integrated into a single sequence

Word History and Origins

Origin of blue screen¹

First recorded in 1965–70