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[bey-tuh-tron or, esp. British, bee-] /ˈbeɪ təˌtrɒn or, esp. British, ˈbi-/
noun, Physics.
an accelerator in which electrons are accelerated to high energies by an electric field produced by a changing magnetic field.
1940-45; beta (see beta particle) + -tron Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for betatron
  • Here, is the vertical betatron tune, is an integer and is the super-periodicity of the machine.
  • The betatron tunes and tune spreads of individual bunches are affected by the head-on and long-range beam beam interaction.
  • It was originally observed in early betatron experiments in which electrons were first accelerated to ultrarelativistic energies.
British Dictionary definitions for betatron


a type of particle accelerator for producing high-energy beams of electrons, having an alternating magnetic field to keep the electrons in a circular orbit of fixed radius and accelerate them by magnetic induction. It produces energies of up to about 300 MeV
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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betatron in Medicine

betatron be·ta·tron (bā'tə-trŏn', bē'-)
A magnetic induction device capable of accelerating electrons to energies of several hundred million electron volts.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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betatron in Science
A type of particle accelerator that uses changing magnetic fields to accelerate electrons. Energies of several hundred million electron volts can be achieved in a betatron. See also particle accelerator.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for betatron

a type of particle accelerator that uses the electric field induced by a varying magnetic field to accelerate electrons (beta particles) to high speeds in a circular orbit. The first successful betatron was completed in 1940 at the University of Illinois at Urbana-Champaign, under the direction of the American physicist Donald W. Kerst, who had deduced the detailed principles that govern the operation of such a device. Modern compact betatron designs are used to produce high-energy X-ray beams for a variety of applications

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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