of or relating to a period characterized by the use of both stone and bronze implements
Collins Concise English Dictionary © HarperCollins Publishers::
Chal•co•lith•ic
(kal′kə lith′ik),USA pronunciation adj.
- Anthropology, Archaeologyof, pertaining to, or characteristic of the Copper Age;
Aeneolithic.
- chalco- + -lithic 1900–05
'chalcolithic' also found in these entries (note: many are not synonyms or translations):