quantum number

quan·tum num·ber

Q q

Definitions of quantum number words

noun quantum number any integer or half of an odd integer that distinguishes one of the discrete states of a quantum-mechanical system. 1
noun quantum number any number that distinguishes among different members of a family of elementary particles. 1
noun quantum number one of a set of integers or half-integers characterizing the energy states of a particle or system of particles. A function of the number multiplied by a fixed quantity gives the observed value of some specified physical quantity possessed by the system 0
noun quantum number a number expressing the magnitude of a physical quantity in units appropriate to a given quantum mechanical system 0

before 1915

One of the 14% newest English words

First recorded in 1915-20

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adjective

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preposition

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exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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