color-difference signal

color-difference signal

[¦kəl·ər ¦dif·rəns ‚sig·nəl]
(electronics)
A signal that is added to the monochrome signal in a color television receiver to obtain a signal representative of one of the three tristimulus values needed by the color picture tube.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.