degeneracy 

https://doi.org/10.1351/goldbook.D01556
Number of states having the same energy. Symbols: g, d, W, ω, β. Also called statistical weight.
Source:
Green Book, 2nd ed., p. 39 [Terms] [Book]
Citation: 'degeneracy' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.D01556 RIS BibTex EndNote
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Last revised: October 7, 2008