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wave number

noun

Definition of wave number

: the number of waves per unit distance of radiant energy of a given wavelength : the reciprocal of the wavelength

Examples of wave number in a Sentence

Recent Examples on the Web

 Douglas Felix also obtained the right answer, introducing the important concept of the wave number. — Quanta Magazine, "Solution: Magic Moiré in Twisted Graphene," 26 July 2019

First Known Use of wave number

1873, in the meaning defined above

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