1. chromakey - Noun
2. chromakey - Verb
chromakey (countable and uncountable, plural chromakeys)
(television, film) The use of a particular colour (usually either green or blue) as a key in a TV studio in order to allow one image to be partially superimposed upon another, seamlessly
chromakey (third-person singular simple present chromakeys, present participle chromakeying, simple past and past participle chromakeyed)
(transitive) To modify an image in this way.