phonon

== English == === Pronunciation === (US) IPA(key): /ˈfoʊ.nɑn/, /ˈfoʊ.nɔn/ === Etymology 1 === From phono- +‎ -on. From Ancient Greek φωνή (phōnḗ, “sound”). Modelled after photon. ==== Noun ==== phonon (plural phonons) (physics) The quantum of acoustic or vibrational energy (sound), considered a discrete particle rather than a wave. ===== Coordinate terms ===== photon plasmon ===== Derived terms ===== ===== Translations ===== ===== See also ===== quasiparticle === Etymology 2 === From phono- +‎ -on. From Ancient Greek φωνή (phōnḗ, “sound”). ==== Noun ==== phonon (plural phonons) (linguistics) A unit of phonemics. ===== Coordinate terms ===== lexon semon