Definition of polariton in US English:

polariton

noun

Physics
  • A quasiparticle in an ionic crystal consisting of a photon strongly coupled to a quasiparticle such as a phonon or an exciton.

Origin

1950s. From polarit- + -on, after exciton.

Pronunciation

polariton

/pə(ʊ)ˈlarɪtɒn/