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blue screen

American  
[bloo skreen] / ˈblu ˌskrin /

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 British  

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of blue screen

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That choice allowed star David Corenswet to react in real time to his filmed environment, rather than shooting him before a blue screen and later superimposing him over footage.

From Los Angeles Times • Dec. 9, 2025

To achieve the special effects of the solar eclipse, the house was reassembled on the largest blue screen sound stage in the world, constructed ad hoc at a hockey arena in Nova Scotia.

From Salon • Mar. 23, 2025

The source said staff are getting a "blue screen of death" error due to a till management software being down.

From BBC • Jul. 19, 2024

If you’re still having the problem, you’ll want to send your blue screen log to Microsoft for help finding the culprit.

From Seattle Times • May 6, 2023

During ‘The Ed Sullivan Show’ on Sunday nights, when Roberta Peters or Licia Albanese would appear on the tiny blue screen, his head would jerk up alert.

From "Hunger of Memory" by Richard Rodriguez