chroma key
noun Television.
an electronic special-effects system for combining a desired background with live foreground action.
Origin of chroma key
First recorded in 1970–75
Words nearby chroma key
christophene,
christopher,
christy,
chrom-,
chroma,
chroma key,
chromaffin,
chromaffin body,
chromaffin cell,
chromaffin tissue,
chromaffin tumor
British Dictionary definitions for chromakey
chromakey
/ (ˈkrəʊməˌkiː) /
noun
(in colour television) a special effect in which a coloured background can be eliminated and a different background substituted
Also called: colour separation overlay