noun
a device that uses electromagnetic fields to propel charged particles to high speeds and to contain them in well-defined beams
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The particle accelerator at CERN is one of the largest in the world.
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Have you seen that cool video of the particle accelerator in action?
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Dude, the particle accelerator is like something out of a sci-fi movie!
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Her brain was like a particle accelerator, processing information at lightning speed.