key out

verb

To remove (something) or make (something) transparent in a scene through the use of a chromakey.

Meanings

verbkey out (third-person singular simple present keys out, present participle keying out, simple past and past participle keyed out)

present singular third person keys out · participle present keying out · participle past keyed out · past keyed out

  1. transitiveTo remove (something) or make (something) transparent in a scene through the use of a chromakey.

    Blue screens are much easier to use when filming dark scenes, where there shouldn't be much light. Also, they're easier to key out around objects that melt into the green screen, like blond hair. Still, blue screens are more expensive to use as they need a lot more light to work properly.

    2021 September 11, Anina Ot, “What Is a Green Screen and How Does It Work?”, in MakeUseOf, archived from the original on 20 Jun 2023

Synonyms & antonyms

verbidentify as in botany or biology, for example

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

key out. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/key%20out

MLA

“key out.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/key%20out. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “key out,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/key%20out.

Source: key out on Wiktionary, CC BY-SA 4.0.