[ 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.

Origin of betatron

1940–45; beta (see beta particle) + -tron Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for betatron

/ (ˈbiːtəˌtrɒn) /


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

Medical definitions for betatron

[ bātə-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.

Scientific definitions for betatron

[ bātə-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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.