wavelength

/ˈweɪvˌlɛŋkθ/
noun
  1. The distance between two peaks or troughs of a wave, especially in physics or technology.
    • Scientists measured the wavelength of the sound wave to determine its frequency.
    • Red light has a longer wavelength than blue light.
    • The radio station broadcasts on a wavelength of 98.5 FM.
  2. A particular way of thinking, feeling, or communicating that matches someone else's.
    • My best friend and I are on the same wavelength when it comes to music.
    • The new manager and the team just aren't on the same wavelength.
    • It's easier to work with people who share your wavelength.