
1) Magnetic propulsion device 2) Type of Artillery
Found on
https://www.crosswordclues.com/clue/coilgun

A coilgun (or Gauss gun, in reference to Carl Friedrich Gauss, who formulated mathematical descriptions of the magnetic effect used by magnetic accelerators) is a type of projectile accelerator consisting of one or more coils used as electromagnets in the configuration of a linear motor that accelerate a ferromagnetic or conducting projectile to h...
Found on
http://en.wikipedia.org/wiki/Coilgun
No exact match found.