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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, "Algren Award runner-up: "Most Best Happy Korean Bright Star" by Michelle Massie," 2 June 2018

First Known Use of quantum number

1902, in the meaning defined above

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