a method of printing almost any color by using a limited number of separate color plates, as yellow, magenta, cyan, and black, in combination.
Origin of process printing
First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for process printing
a method of making reproductions of a coloured picture, usually by using four halftone plates for different coloured inks
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012