cyclotron

from WordNet (r) 3.0 (2006)

cyclotron
    n 1: an accelerator that imparts energies of several million
         electron-volts to rapidly moving particles

from The Collaborative International Dictionary of English v.0.48

cyclotron \cyclotron\ n.
   a particle accelerator that imparts energies of several
   million electron-volts to rapidly moving particles; it is
   used in investigations in nuclear physics and particle
   physics.
   [WordNet 1.5 +PJC]