骨こっ片ぺん

noun

bone fragment; spicule

Refers to a small piece or splinter of bone. In biology, 'spicule' is a technical term for a small needle-like structure, often calcareous or siliceous, found in sponges and other organisms.

• 発はっ掘くつ現げん場ばで小ちいさな骨こっ片ぺんが見みつかった。

  A small bone fragment was found at the excavation site.

• 海かい綿めん動どう物ぶつの骨こっ片ぺんは顕けん微び鏡きょうで観かん察さつできる。

  Spicules of sponges can be observed under a microscope.