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Word of the Day Tuesday, June 9, 2026

phonon

/fɒnɒn/ noun · British & US
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What does phonon mean?

noun

A quantum of vibrational energy in a crystal lattice, often considered as a particle. In solid-state physics, a phonon is a quasiparticle representing a mode of vibration.

Example

"The researchers studied the behavior of phonons in the crystal structure of the new material."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for phonon

Rhymes with phonon

Etymologically related