1. 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, exclusion principle]
WordNet (r) 3.0 (2006):
exclusion principle
n 1: 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, exclusion
principle]