WordReference Random House Unabridged Dictionary of American English © 2026
post•er•i•za•tion
(pō′stər ə zā′shən),USA pronunciation n. [Print.]
- Printinga process for producing a posterlike, high-contrast color reproduction from continuous-tone art by using separation negatives of various densities.
- Photographya 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.
- poster1 + -ization 1945–50