Dictionary  post•er•i•za•tionPronunciation: (pō"stur-u-zā'shun), [key] —n. Print. 1. a process for producing a posterlike, high-contrast color reproduction from continuous-tone art by using separation negatives of various densities. 2. Photog.a printing process in which all tone values of a negative are reduced to a few and the tonal separation negatives produced are printed at different exposure levels on a high-contrast film so that a set of flat tones results. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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