pho·non (f  n n )n. The quantum of acoustic or vibrational energy, considered a discrete particle and used especially in mathematical models to calculate thermal and vibrational properties of solids. |
phonon [ˈfəʊnɒn]
n
(Physics / General Physics) Physics a quantum of vibrational energy in the acoustic vibrations of a crystal lattice
[from phono- + -on]
| phonon (fnn) The quantum of acoustic or vibrational energy. Phonons, like all quanta in quantum mechanics, have wavelike and particlelike properties. Phonons propagate through the vibrating material at the speed of sound in that material. Phonons are especially useful in mathematical models for calculating thermal and vibrational properties of solids. |
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