打だ製せい石せっ器き

noun

chipped stone tool; flaked stone tool

Archaeological term for a stone tool made by striking flakes off a core, as opposed to ground stone tools (磨製石器).

• 打だ製せい石せっ器きは旧きゅう石せっ器き時じ代だいに広ひろく使つかわれた。

  Chipped stone tools were widely used in the Paleolithic period.