きんせきへいようじだい 金石併用時代 LinksSentence search for 金石併用時代Sentence search for きんせきへいようじだいKanji details for 金, 石, 併, 用, 時 and 代Edit in JMdict Noun1. Chalcolithic period (i.e. the Copper Period)See also 銅器時代 Discussions Log in to talk about this word.