quantum number

noun

Definition of quantum number

: any of a set of numbers that indicate the magnitude of various discrete quantities (such as electric charge) of a particle or system and that serve to define its state

Examples of quantum number in a Sentence

Recent Examples on the Web Middle Sister prattled on about how an atom having six principal quantum numbers can yield several emission lines, or some such. — Chicago Tribune, chicagotribune.com, 2 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quantum number.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Cite this Entry

“Quantum number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20number. Accessed 27 Jun. 2022.

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