Definition of "chroma-key" []

• Alternative spelling of chromakey. (noun)

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• "That concern was instantly dispelled when I saw that the chroma-key green screen made the hair on the top of my head seem to vanish on the monitor and there is no way I was going to agree to go on this show pre-scalped."
• "There's a lot of pundit points to be scored by saying that the Democratic primary race could go all the way to the convention, and the inside baseball chatter about pledged delegates versus claimed delegates versus super delegates versus delegates who used Trident chews up a lot of air time on cable TV and lets the geeks with the charts and the chroma-key maps play with their toys."
• "In the film it was all done with trick shots and chroma-key."