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[mag-ni-ton] /ˈmæg nɪˌtɒn/
noun, Physics.
a unit of magnetic moment, used in measuring the magnetic moment of atomic and subatomic particles.
Origin of magneton
First recorded in 1910-15; magnet- + -on1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for magneton
Historical Examples
  • It resolves itself into equally-charged electrons; we have also now the magneton, or atom of magnetism.

    A Librarian's Open Shelf Arthur E. Bostwick
British Dictionary definitions for magneton


/ˈmæɡnɪˌtɒn; mæɡˈniːtɒn/
Also called Bohr magneton. a unit of magnetic moment equal to eh/4πm where e and m are the charge and mass of an electron and h is the Planck constant. It has the value 9.274 096 × 10–24 joule per tesla β, mB
Also called nuclear magneton. a similar unit equal to βm/M where M is the mass of the proton
Word Origin
C20: from magnet + (electr)on
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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magneton in Science
A unit of the magnetic dipole moment of a molecular, atomic, or subatomic particle. ◇ The Bohr magneton is defined as the magnetic dipole moment of the electron due to its inherent spin angular momentum, and is equal to 9.2741 × 10-24 joules per tesla. Also called Landé factor. ◇ The nuclear magneton is defined using the electric charge and rest mass of the proton, and is equal to 5.0508 × 10-27 joules per tesla.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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