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de Broglie wave

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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

British Dictionary definitions for de broglie waves

de Broglie waves

pl n
  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 particleAlso called: matter waves
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Word Origin

C20: named after Prince Louis Victor de Broglie (1892–1987), French physicist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012