Definition, Meaning & Synonyms

wavelength

noun

/ˈweɪv.lɛŋkθ/

Definition

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Examples

The wavelength of visible light typically ranges from about 400 to 700 nanometers.
In radio communication, different wavelengths are used to transmit signals over various distances.
The sound waves produced by the drum have a longer wavelength than those produced by a flute.

Meaning

Wavelength refers to the physical distance between two consecutive points of a wave that are in phase with each other. In simple terms, it’s the length of one complete wave cycle, measured from crest to crest or trough to trough.