noun
mass driver; electromagnetic catapult
A device that uses electromagnetic force to accelerate a payload, often proposed for space launch or as a weapon in science fiction.
SF小説では、マスドライバーが月から貨物を打ち上げるのに使われる。
In science fiction novels, mass drivers are used to launch cargo from the moon.
マスドライバーは電磁力で物体を加速する装置だ。
A mass driver is a device that accelerates objects using electromagnetic force.