Mezzotint
Mezzotint , noun
[Compare French mezzo-tinto.]
A manner of engraving on copper or steel by drawing upon a surface previously roughened, and then removing the roughness in places by scraping, burnishing, etc., so as to produce the requisite light and shade. Also, an engraving so produced.
Mezzotint , transitive verb
To engrave in mezzotint.