four-colour
noun
(modifier)
(of a print or photographic process) using the principle in which four colours (magenta, cyan, yellow, and black) are used in combination to produce almost any other colour
Words nearby four-colour
Example sentences from the Web for four-colour
Occasionally three and four-colour machines are used, but the one-colour type is probably the most common.
The Jute Industry: From Seed to Finished Cloth |T. Woodhouse and P. Kilgour