wavelength
wave‧length /ˈweɪvleŋθ/
noun [countable]
1. the size of a radio wave used to broadcast a radio signal
2. technical the distance between two points on energy waves such as sound or light
3. be on the same/a different wavelength informal to have the same or different opinions and feelings as someone else:
Dad is just on a different wavelength from me.
wave‧length /ˈweɪvleŋθ/
noun [countable]1. the size of a radio wave used to broadcast a radio signal
2. technical the distance between two points on energy waves such as sound or light
3. be on the same/a different wavelength informal to have the same or different opinions and feelings as someone else: