a hypothetical wave associated with the motion of a particle of atomic or subatomic size that describes effects such as the diffraction of beams of particles by crystals.
British Dictionary definitions for de broglie waves
de Broglie waves
/də ˈbrəʊɡlɪ/
plural noun
1.
(physics) the set of waves that represent the behaviour of an elementary particle, or some atoms and molecules, under certain conditions. The de Broglie wavelength, λ, is given by λ = h/mv, where h is the Planck constant, m the mass, and v the velocity of the particle Also called matter waves
Word Origin
C20: named after Prince Louis Victor de Broglie (1892–1987), French physicist