Mezzotint

[Sarah]

A manner of engraving on copper or steel by drawing upon asurface previously roughened, and then removing the roughness inplaces by scraping, burnishing, etc., so as to produce the requisitelight and shade. Also, an engraving so produced.

[Renato]

a print made from an engraved copper or steel plate on which the surface has been partially roughened, for [shading], and partially [scraped] smooth, giving light areas. [The technique] was much used in the 17th, 18th, and early 19th centuries for the reproduction of paintings.