Definitions for "Process printing"
or process color, the use of semi-transparent inks to build color by overprinting one color on top of another using subtractive primary ink colors: cyan, magenta, yellow and black
Use of the halftone color separation method in conjunction with process inks (cyan, magenta, and yellow with or without black) to reproduce illustrations.
Multi-color printing utilizing a variety of printing screens, depth of etch, etc., and usually using yellow, magenta, cyan and black inks to give an optical effect of all colors and hues being present in a composite picture.