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wave number
noun
- the number of waves in one centimeter of light in a given wavelength; the reciprocal of the wavelength.
wave number
noun
- physics the reciprocal of the wavelength of a wave νσ
wave number
- The number of wave cycles per unit distance for a wave of a given wavelength.
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Word History and Origins
Origin of wave number1
First recorded in 1900–05
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