WordReference Random House Unabridged Dictionary of American English © 2026
chal•cog•ra•phy
(kal kog′rə fē),USA pronunciation n.
chal•cog′ra•pher, chal•cog′ra•phist, n.
chal•co•graph•ic
(kal′kə graf′ik),USA pronunciation chal′co•graph′i•cal, adj.
- the art of engraving on copper or brass.
- 1655–65; chalco- + -graphy