refers to the film portion of the color separation process that prints black; increases the contrast of neutral tones.
A printing term used to describe the Black (K) plate in process (CMYK) printing.
The plate, during the prepress printing process, that is used with the cyan, magenta and yellow printers to enhance the contrast and to emphasize the neutral tones and detail in the final reproduction shadow areas.
The plate used with the cyan, magenta and yellow plates; often used to enrich the contrast of the final reproduction.