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type of gun that uses magnets and electricity to shoot out the "bullet" at super sonic speeds. mainly in sci-fi and games,but its real.
metal gear rex, the station guns in halo 2, and in star gate atlantis.
by jibus June 24, 2005
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2
A device firing DU projectiles using electro-magnetism. Real examples are too weak to match the infamous sniper weapon found in Quake.
Run a google search on "how to make a rail gun" to see some funny-ass shit!
by Gumba Gumba February 23, 2004
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3
A railgun is a single-turn coil consisting of the power source, rails, and armature. The armature is free to slide along the rails, the Lorentz force causes it to slide along the rails, away from the power source.

www. rollette.com/railgun
here is a real life example. not a toy or a video game...
by Jason Rollette September 19, 2003
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4
Long-ranged sniping weapon found in Quake II & III. It is a popular weapon for campers and people with good aiming skills or people who use aimbots.

The weapon looks like a big portable cannon, and creates a neat looking smoke trail to help locate campers.
He got railed by Jim from across the field and died instanly.
by Stephen U. January 29, 2004
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A large type of cannon that uses 2 or more rails (hence the name) that are charged with electromagnetic energy. They electromagnets propel a projectile at high speeds over great distances. These weapons do get very hot after use and therefore require great cooling power.
The US Navy is currrently working on a project to equip a new type of Destroyer with rail guns.
by p8ntball4life79 July 06, 2006
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6
a badass type of rifle which fires an extremely fast projectile. Used by Arnold Schwarzenegger in the movie Eraser.
Jesus loves rail guns.
by smartkid June 09, 2005
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7
Means 2 things:

1) A weapon under development. Used against a giant robot clawing the Pyramids of Giza.
2) Ability that can fire straight electric shots, with anything iron-made as head.
3) A tomboyish woman who loves wearing boylegs, loves a frog mascot, has more than 20,000+ clones and fell in love to an unlucky bastard named Touma.
1) Rail Gun is a futuristic weapon.
2)Agent: I want a prototype weapon called a Rail Gun.
Ship Captain: That's classified.
Agent: Don't talk to me about CLASSIFIED!
3) A Rail Gun shot was deflected once again by the UNLUCKIEST BASTARD on Earth.
via giphy
by Kay Tutan Tayo December 06, 2018
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