wave number


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

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

First Known Use of wave number

1873, in the meaning defined above

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The first known use of wave number was in 1873

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Cite this Entry

“Wave number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wave%20number. Accessed 5 Dec. 2020.

More from Merriam-Webster on wave number

Britannica.com: Encyclopedia article about wave number

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