chromakey

SayKROH-muh-keeUS/ˈkɹoʊməˌki/UK/ˈkɹəʊməˌkiː/

Pluralchromakeys

Verbchromakeys, chromakeying, chromakeyed

2 meanings of chromakey

1
nouncountable or uncountable
A way of filming someone against a colored screen so a different background can be added behind them.
Like cutting a person out of a photo and gluing them onto a different picture.
The weather report uses chromakey to show a moving map behind the presenter.
With chromakey, the actor seems to fly over a city that isn't really there.
Note
2
verbtransitive
To replace a colored background in a picture with a different image.
Like cutting out a shape and sliding a new picture behind it.
The editor will chromakey the actor into a jungle scene.
They chromakeyed the news desk onto a bright city skyline.
Similarkey, composite

Use it in a sentence

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Origin

It comes from two words: "chroma" and "key".