- The Pauli exclusion principle is the principle that two particles of a specified type aren't able to be in the same place at the same time.
An example of the Pauli exclusion principle is that two electrons in an atom must be spinning in opposite directions if they are in the same space.
Origin: after Wolfgang Pauli
Used by arrangement with John Wiley & Sons, Inc.
Origin: After Wolfgang Pauli.
pauli exclusion principle - Science Definition
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