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exchange force

noun (physics)
1.
a force between two elementary particles resulting from the exchange of a virtual particle
2.
the force causing the alignment of the magnetic dipole moments of atoms in ferromagnetic materials
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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exchange force in Science
exchange force
  (ĭks-chānj')   
A force that results from the continuous interchange of particles between two or more bodies. The exchange of electrons between two atoms or molecules, for example, is an exchange force, as is the exchange of gluons between quarks in the strong nuclear force.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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