nChalcographyThe act or art of engraving on copper or brass, especially of engraving for printing.
Century Dictionary and Cyclopedia
nchalcographyThe art of engraving on copper or steel plates. Commonly called line-engraving, because it is chiefly by combinations of lines, simple or crossed, that the engraver imitates textures, etc.
nchalcographyA collection of engraved plates and prints. The chalcography of the Louvre was established by Louis XIV. and contains now about 6,000 plates from which impressions are still made and sold.
Chambers's Twentieth Century Dictionary
nChalcographykal-kog′ra-fi the art of engraving on copper or brass