New American Oxford Dictionary
chromakey
chro ma key |ˈkrōməkē ˈkroʊməkiː | ▶noun a technique by which a block of a particular color (often blue or green ) in a video image can be replaced either by another color or image, enabling, for example, a weather forecaster to appear against a background of a computer-generated weather map. ▶verb ( chromakeys, chromakeying, chromakeyed ) [ with obj. ] manipulate (an image ) using this technique.
Oxford Dictionary
chromakey
chromakey |ˈkrəʊməkiː | ▶noun [ mass noun ] a digital technique by which a block of a particular colour (often blue or green ) in a film or video image can be replaced by another colour or image, enabling, for example, a weather forecaster to appear against a background of a computer-generated weather map. ▶verb ( chromakeys, chromakeying, chromakeyed ) [ with obj. ] manipulate (an image ) using the chromakey technique.
Duden Dictionary
Chromakey-Verfahren
Chro ma key-Ver fah ren Substantiv, Neutrum , das |kroːmɛˈki …|das Chromakey-Verfahren; Genitiv: des Chromakey-Verfahrens, Plural: die Chromakey-Verfahren Projektionsverfahren beim Fernsehen, durch das künstliche Hintergründe in Aufnahmestudios geschaffen werden können; vgl. Bluebox und Bluescreen