American English

Definition of wavelength noun from the Oxford Advanced American Dictionary

     

    wavelength

     noun
    noun
    NAmE//ˈweɪvlɛŋkθ//
     
    , NAmE//ˈweɪvlɛŋθ//
     
     
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  1. 1the distance between two similar points on a wave of energy, such as light or sound
  2. 2the size of a radio wave that is used by a particular radio station, etc. for sending signals or broadcasting programs
  3. Idioms
    be on the same wavelength, be on somebody's wavelength (informal)
     
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    to have the same way of thinking or the same ideas or feelings as someone else We work together but we aren't really on the same wavelength.
See the Oxford Advanced Learner's Dictionary entry: wavelength