phonon

P3H4O1N1O1N1
US/ˈfoʊ.nɑn/US/ˈfoʊ.nɔn/

noun

The quantum of acoustic or vibrational energy (sound), considered a discrete particle rather than a wave.

Less commonScrabble 11

Meanings

phonon1

nounphonon (plural phonons)

plural phonons

  1. natural sciencesThe quantum of acoustic or vibrational energy (sound), considered a discrete particle rather than a wave.

phonon2

nounphonon (plural phonons)

plural phonons

  1. human sciencesA unit of phonemics.

Origin

phonon · noun

  1. Ancient Greekφωνή“sound”
  2. Englishphonon

From phono- + -on. From Ancient Greek φωνή (phōnḗ, “sound”). Modelled after photon.

Full word history & related roots →

phonon · noun

  1. Ancient Greekφωνή“sound”
  2. Englishphonon

From phono- + -on. From Ancient Greek φωνή (phōnḗ, “sound”).

Full word history & related roots →

Translations

Brazilian Portuguese fônon
  • fônonquantum of acoustic energy
Chinese Mandarin 聲子 /声子
  • 聲子 /声子 (shēngzǐ)quantum of acoustic energy
European Portuguese fonão
  • fonãoquantum of acoustic energy
Finnish fononi
  • fononiquantum of acoustic energy
French phonon
  • phononquantum of acoustic energy
German Phonon
  • Phononquantum of acoustic energy
Hindi ध्वन्यणु
  • ध्वन्यणु (dhvanyaṇu)quantum of acoustic energy
Icelandic hljóðeind
  • hljóðeindquantum of acoustic energy
Italian fonone
  • fononequantum of acoustic energy
Japanese フォノン, 音子
  • フォノン (fonon)quantum of acoustic energy
  • 音子 (onshi)quantum of acoustic energy
  • 音響量子 (onkyō ryōshi)quantum of acoustic energy
Korean 음향양자
  • 음향양자 (eumhyang'yangja)quantum of acoustic energy
Polish fonon
  • fononquantum of acoustic energy
Russian фоно́н
  • фоно́н (fonón)quantum of acoustic energy
Swedish fonon
  • fononquantum of acoustic energy
Cite this entry
APA

phonon. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/phonon

MLA

“phonon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phonon. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “phonon,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/phonon.

Source: phonon on Wiktionary, CC BY-SA 4.0.