: a quantum of vibrational energy (as in a crystal)
Examples of phonon in a Sentence
Recent Examples on the Web
Examples are automatically compiled from online sources to
show current usage.Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
In ordinary metals, phonons are frequently disrupted by collisions with one another and with electrons, reducing their ability to dissipate heat.—Rachel Nuwer, Scientific American, 11 Apr. 2026 Since high-frequency acoustic oscillations can also be used to manipulate quantum states, phonon lasers could be deployed to study them in greater detail and open avenues for future quantum sensing and quantum computing.—Ameya Paleja, Interesting Engineering, 30 Mar. 2026 Their conductivity is limited by the strong interactions between free-moving electrons and atomic vibrations called phonons.—Abhimanyu Ghoshal, New Atlas, 27 Jan. 2026 These phonons can pile up at the boundary between materials, resisting the flow of heat.—IEEE Spectrum, 20 Oct. 2025 See All Example Sentences for phonon
Word History
Etymology
borrowed from Russian fonon, from Greek phōnḗ "sound made by something living, voice" + Russian -on-on entry 2 — more at phono-