railgun

noun — 3 senses

railgun

noun

/ˈɹeɪl.ɡʌn/ · /ˈɹeɪ.jəl.ɡʌn/

Etymology From rail + gun. * (railway gun): From being a gun mounted on a rail car, and being railroad-mobile. * (EM gun): From being a projectile ejecting device with a pair of electric conducting rails that a launch sled runs along, which shoots the projectile.

1

An electromagnetic gun that uses a large electrical current to propel a projectile down a track of two parallel conductive rails.

2

A railway gun.

3

A benchrest rifle.

Related terms
coilgun, electric gun

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.