heliogravure

/ˌhiːlioʊɡrəˈvjʊr/
noun
  1. A method of printing pictures using a photographic image transferred to a metal plate, then etched and inked.
    • The art book featured beautiful heliogravure illustrations.
    • The museum's collection included several heliogravures from the 19th century.
    • He learned heliogravure as a way to reproduce photographs in print.
Synonyms
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