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Related to phonon: Acoustic phonon
The quantum of acoustic or vibrational energy, considered as a quasiparticle and used especially in mathematical models to calculate thermal and vibrational properties of solids.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) physics a quantum of vibrational energy in the acoustic vibrations of a crystal lattice
[C20: from phono- + -on]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a quantum of sound or vibratory elastic energy, being the mechanical analogue of a photon.
[1932; < Greek phōn(ḗ) sound + -on1]
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