chalcolithic
/ˌtʃælkəˈlɪθɪk/Definitions
1. adjective
relating to or characteristic of a stage in the development of human societies, typically marked by the use of copper tools.
“The archaeologist specialized in the chalcolithic period of ancient civilizations.”
2. noun
a stage in the development of human societies, typically marked by the use of copper tools.
“The region was home to a chalcolithic culture, with many artifacts discovered at the site.”