exclusion principle
noun Date: 1926 a principle in physics: no two particles (as electrons) in an atom or molecule can have the same set of quantum numbers — called also Pauli exclusion principle

New Collegiate Dictionary. 2001.

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  • Exclusion principle — may refer to: * The Exclusion principle, an epistemological principle * In economics, the exclusion principle states the owner of a private good may exclude others from use unless they pay. * The Pauli exclusion principle, a quantum mechanical… …   Wikipedia

  • exclusion principle — n. PAULI EXCLUSION PRINCIPLE …   English World dictionary

  • exclusion principle — 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. Also called Pauli… …   Universalium

  • exclusion principle — exclu′sion prin ciple n. phs the quantum mechanical principle that no two identical particles having spin equal to half an odd integer can be in the same quantum state Also called Pauli exclusion principle …   From formal English to slang

  • exclusion principle — /əksˈkluʒən ˌprɪnsəpəl/ (say uhks kloohzhuhn .prinsuhpuhl) noun 1. Also, Pauli s exclusion principle. the principle that no two fermions in a given system can be characterised by the same set of quantum numbers. 2. Physics the rule which states… …   Australian English dictionary

  • exclusion principle — noun no two electrons or protons or neutrons in a given system can be in states characterized by the same set of quantum numbers • Syn: ↑Pauli exclusion principle • Hypernyms: ↑law, ↑law of nature …   Useful english dictionary

  • exclusion principle — principle that states that two identical particles with spins equal to half an odd integer cannot be in the same quantum state (Physics) …   English contemporary dictionary

  • Exclusion principle (philosophy) — For other uses, see Exclusion principle (disambiguation)The Exclusion principle is a philosophical principle that states::If an event e causes event e* , then there is no event e# such that e# is non supervenient on e and e# causes e* .In… …   Wikipedia

  • Pauli exclusion principle — exclusion principle, principle put forward by the Austrian physicist Wolfgang Pauli that no two electrons in an atom can be exactly equivalent …   English contemporary dictionary

  • Pauli exclusion principle — The Pauli exclusion principle is a quantum mechanical principle formulated by Wolfgang Pauli in 1925. It states that no two identical fermions may occupy the same quantum state simultaneously . A more rigorous statement of this principle is that …   Wikipedia

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