Wiktionary
chromakey
alt. The use of a particular colour (usually either blue or green) as a key in a TV studio in order to allow one image to be partially superimposed upon another, seamlessly n. The use of a particular colour (usually either blue or green) as a key in a TV studio in order to allow one image to be partially superimposed upon another, seamlessly vb. (context transitive English) To modify an image in this way.
Wikipedia
Chromakey
- redirect Chroma key