de Broglie wave

noun Physics.

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.

Origin of de Broglie wave

First recorded in 1925–30; named after L.V. de Broglie
Also called matter wave. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019