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单词 exclusion principle
释义

exclusion principle

noun

: a principle in physics: no two particles (such as electrons) in an atom or molecule can have the same set of quantum numbers

called also Pauli exclusion principle

Example Sentences

Recent Examples on the Web Wolfgang Pauli’s exclusion principle, discovered in 1925 through studies of atomic spectra, showed the possibility of hole-like vacancies in atoms and molecules. Frank Wilczek, WSJ, 19 May 2022 That exclusion principle applies to the atoms in gas, too, which is what the scientists used to demonstrate it. Joshua Hawkins, BGR, 24 Nov. 2021

Word History

First Known Use

1926, in the meaning defined above

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