What does "phonon" mean?

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

Phonon

/ˈfoʊ.nɑn/ noun

noun ·Rare ·Advanced level

Noun

1
The quantum of acoustic or vibrational energy (sound), considered a discrete particle rather than a wave.
2
A unit of phonemics.

Etymology 1

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

Etymology 2

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