C3H4A1L1C3O1L1I1T1H4I1C3
24 points
CHALCOLITHIC is validvalid
of the prehistoric period in which copper was first smelted [adj]
of or relating to a period characterized by the use of both stone and bronze implements [adj]
of the prehistoric period in which copper was first smelted [adj]
of or relating to a period characterized by the use of both stone and bronze implements [adj]