キンセキヘイヨウキ
Meanings
Noun
Obscure
1. Chalcolithic period (i.e. the Copper Period)
Composed of
minerals and rocks; metal and stone utensils; epigraph
using together (jointly); used at the same time
period; time; opportunity; chance; age; term (e.g. in office); session (e.g. of parliament)