wave number

/weɪv ˌnʌmbər/
IPA guide

Definitions of wave number
  1. noun
    the reciprocal of the wavelength of a wave
    see moresee less
    types:
    rydberg, rydberg constant, rydberg unit
    a wave number characteristic of the wave spectrum of each element
    type of:
    frequence, frequency, oftenness
    the number of occurrences within a given time period
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