railgun
railgun is a projectile weapon or linear motor.
Also recorded as rail gun.
Overview
Electrically powered electromagnetic projectile launcher.
In detail
railgun is a projectile weapon or linear motor.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Railgun”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q875724: railgun
Consult the source