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addaword.gifdefinition of particle accelerator

noun
a scientific instrument used by physicists to study the smallest known particles. It speeds up and increases the energy of a beam of particles by generating electric fields that accelerate the particles, and magnetic fields that steer and focus them.
A particle accelerator works very much like the picture tube found in a television set.
Submitted from United Kingdom on 06/07/2012 10:25:00
Definition of particle accelerator from the Open Dictionary – a public resource hosted by Macmillan English Dictionary Online

pre-cation

a paid holiday given to a new employee before they start their job

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