chalcolithic
美 [ˌkælkəˈlɪθɪk]英 [ˌkælkəˈliθik]
- 网络石器铜器并用时代；红铜时代；铜石并用时代
chalcolithicchalcolithic
1.belonging or relating to the transitional period between the Neolithic and Bronze ages, beginning around 400 , when the use of copper became more prevalent