• synonyms


[bey-tuh-tron or, esp. British, bee-]
noun Physics.
  1. an accelerator in which electrons are accelerated to high energies by an electric field produced by a changing magnetic field.
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Origin of betatron

1940–45; beta (see beta particle) + -tron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for betatron


  1. 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
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

betatron in Medicine


(bātə-trŏn′, bē-)
  1. A magnetic induction device capable of accelerating electrons to energies of several hundred million electron volts.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

betatron in Science


  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.