phonon noun. ['fǝʊnɒn] M20.
[from PHONO- + -ON.]
1. Physics. A quantum or quasiparticle associated with compressional waves, such as sound or those in a crystal lattice. M20.

2. Linguistics. In stratificational grammar, a phonetic feature which is capable of distinguishing phonemes, a distinctive feature. M20.

■ pho'nonic adjective M20.

[TahlilGaran] English Dictionary ▲