relating to or denoting a period in the 4th and 3rd millennia BC, chiefly in the Near East and south-eastern Europe, during which some weapons and tools were made of copper. This period was still largely Neolithic in character
the houses were built in the Chalcolithic period
a period in the 4th and 3rd millennia BC, chiefly in the Near East and south-eastern Europe, during which some weapons and tools were made of copper
the site dates from the Chalcolithic