noun
- quantum units of vibrational energy in a crystal lattice
Usage: physics; plural of phonon
Examples
- Phonons carry heat through the crystal structure.
- The interaction between electrons and phonons affects electrical conductivity.
- Scientists study phonons to understand thermal properties of materials.
- Phonons behave like particles even though they represent vibrations.
- The frequency of phonons determines the material’s thermal characteristics.
- Researchers measured phonon scattering in the semiconductor.