pos·​ter·​iza·​tion | \ˌpōstərə̇ˈzāshən, -rīˈz-\
plural -s

Definition of posterization 

: the obtaining of posterlike reproductions having solid tones or colors and little detail from photographs or other continuous-tone originals by means of separation negatives

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Other Words from posterization

posterize \ ˈpōstəˌrīz \ verb -ed/-ing/-s

First Known Use of posterization

1950, in the meaning defined above

History and Etymology for posterization

poster entry 2 + -ization

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The first known use of posterization was in 1950

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full of whispering sounds

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