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betatron

[bey-tuh-tron or, esp. British, bee-] /ˈbeɪ təˌtrɒn or, esp. British, ˈbi-/
noun, Physics.
1.
an accelerator in which electrons are accelerated to high energies by an electric field produced by a changing magnetic field.
Origin of betatron
1940-1945
1940-45; beta (see beta particle) + -tron
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for betatron

betatron

/ˈbiːtəˌtrɒn/
noun
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
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
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betatron in Medicine

betatron be·ta·tron (bā'tə-trŏn', bē'-)
n.
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
betatron
  (bā'tə-trŏn')   
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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