An objective specification of the quality of a colour, regardless of its luminance.

Alternative form of chromato-

Alternative form of chromane

(organic chemistry) Any of several isomeric bicyclic heterocyclic ketones derived from chromane; any of many derivatives of these compounds

(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

(transitive) To modify an image in this way.

plural of chromatic number

plural of chromascope

An instrument for showing the optical effects of colour.

Third-person singular simple present indicative form of chromakey