magnetic moment

noun Electricity.
a vector quantity associated with a given electric current, magnet, or the like, having the property that its vector product with the magnetic induction equals the torque acting on the given object.
Also called dipole moment.


Origin:
1860–65

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Collins
World English Dictionary
magnetic moment
 
n
magnetic dipole moment short for electromagnetic moment

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
magnetic moment  
See magnetic dipole moment.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
As a result, the sum total of all the domains gives the piece a zero magnetic
  moment.
The point is that iron does not have any magnetic moment in these compounds.
The g factor of the electron is defined as the ratio of its magnetic moment to
  its spin angular momentum.
Electrons have intrinsic spin which gives rise to a magnetic moment.
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