中ちゅう石せっ器き時じ代だい

noun

Mesolithic; Middle Stone Age

Archaeological term for the period between the Paleolithic and Neolithic, roughly 10,000–5,000 BCE in many regions.

• 中ちゅう石せっ器き時じ代だいには、細石さいせっ器きが広ひろく使つかわれた。

  Microliths were widely used during the Mesolithic period.

• この遺い跡せきは中ちゅう石せっ器き