Definition of blue screen in English:

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blue screen

(also green screen)

noun

[often as modifier]
(In film and video techniques such as chromakey) a blue (or green) background in front of which moving subjects are filmed and which allows a separately filmed background to be added to the final image: a blue-screen effect
More example sentences
  • There's also some truly heinous use of blue screen.
  • There you see her in front of the green screen.
  • An actor stands in front of a green or blue screen.

For editors and proofreaders

Line breaks: blue screen

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