4415mezzotint (process)TTen-USVocabulário Colaborativo em Artes e Arquitetura active approved mezzotint (process)Intaglio process in which the surface of the plate is methodically roughened with a rocker to produce a dark background; areas may then be lightened using various scrapers; produces a printed image having a continuous tonal range.

Source: Art & Architecture Thesaurus

http://vocab.getty.edu/page/aat/300053233

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