plural of wavelength

(physics) The length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next; it is often designated in physics as λ, and corresponds to the velocity of the wave divided by its frequency.

Alternative spelling of multiwavelength

(idiomatic) In rapport or complete accord.

(physics) the wavelength, λ=h/p, associated with a beam of particles of momentum p. (h being Planck's constant.) The same formula gives the momentum of a photon or wavelength λ.

plural of de Broglie wavelength