exclusion principle

exclusion principle

noun Physics.
the principle that in any system described by quantum mechanics no two identical particles having spin equal to half an odd integer can be in the same quantum state: first postulated for the electrons in atoms.
Compare fermion.


Origin:
1925–30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Exclusion principle is always a great word to know.
So is conduction. Does it mean:
a longitudinal wave in an elastic medium, especially a wave producing an audible sensation
the transfer of heat between two parts of a stationary system, caused by a temperature difference between the parts
Collins
World English Dictionary
exclusion principle
 
n
See Pauli exclusion principle

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
exclusion principle   (ĭk-skl'zhən)  Pronunciation Key 
See Pauli exclusion principle.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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