Translate wavelength | into French | into Italian | into Spanish Definition of wavelength
noun
1 Physics the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave. (Symbol: λ) a wavelength as a distinctive feature of radio waves from a transmitter.
2a person’s ideas and way of thinking, especially as it affects their ability to communicate with others:when we met we hit it off immediately—we’re on the same wavelength