Definition of plasmon in English:

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Pronunciation: /ˈplazˌmän/


A quantum or quasiparticle associated with a local collective oscillation of charge density.
Example sentences
  • It is based upon the coupling of plasmons (charge density oscillations) excited by light in thin metal films, with waveguide modes in a dielectric layer overcoating the metal film.
  • At each groove, plasmons scatter and radiate some light, while some plasmon energy remains to travel to the next groove.
  • The surface plasmons then decay into photons, which are emitted from the surface.


1950s: from plasma + -on.

For editors and proofreaders

Syllabification: plas·mon

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