noun.
The art of engraving on copper or steel plates.
noun.
A 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.
the GNU version of the Collaborative International Dictionary of English
noun.
The act or art of engraving on copper or brass, especially of engraving for printing.
"They have in their employ some of the very finest line engravers living, and their album of proofs, which I have seen, contains some really magnificent specimens of chalcography."