# chromakey

Pronunciation: say "KROH-muh-kee" US /ˈkɹoʊməˌki/, UK /ˈkɹəʊməˌkiː/

## Noun

1. The use of a particular color, usually green or blue, as a key in a studio so that one image can be seamlessly superimposed onto another.
   - Simple: A way of filming someone against a colored screen so a different background can be added behind them.
   - _Modern newsrooms rely on chromakey to drop live graphics behind the anchor._
   - _The visual effects team set up chromakey for the spaceship sequence._

## Verb

2. To process an image so that a solid-color area is removed and a separate picture shows through in its place.
   - Simple: To replace a colored background in a picture with a different image.
   - _Producers chromakey the host onto a virtual stage for every broadcast._
   - _The studio chromakeyed the dancers into a swirling galaxy backdrop._

## Origin

Formed from "chroma" combined with "key".

Source: DictionaryAI, https://dictionaryai.com/define/chromakey (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).