原げん動どう機き

noun

motor; engine

A mechanical device that converts energy into motion; a somewhat technical term, often used in engineering or formal contexts.

• この工こう場じょうでは大おお型がたの原げん動どう機きが使つかわれている。

  Large motors are used in this factory.

• 原げん動どう機きの仕し組くみについて学まなぶ。

  Learn about the mechanism of motors.