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de Broglie wave

noun Physics.
  1. 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.
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Origin of de Broglie wave

First recorded in 1925–30; named after L.V. de Broglie
Also called matter wave.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018