posterization: Meaning and Definition of

post•er•i•za•tion

1. a process for producing a posterlike, high-contrast color reproduction from continuous-tone art&hasp; by using separation negatives of various densities.
2. a printing process in which all tone values of a negative are reduced to a few and the tonal separation negatives produced are&hasp; printed at different exposure levels on a high-contrast film so that a set of flat tones results.