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rail gun

a weapon consisting of a pair of parallel conductive rails, using a magnetic field and electric current to launch projectiles at very high velocity. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for rail gun
  • The velocity alone can make a loose bolt the equivalent of a rail gun projectile.
  • Applications of this phenomenon would be the rail gun or flux compression generator.

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