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.
In science fiction novels, mass drivers are used to launch cargo from the moon.
A mass driver is a device that accelerates objects using electromagnetic force.
Variant with interpunct; less common but seen in some technical contexts.
Borrowed from English 'mass driver', a compound of 'mass' and 'driver'.