Share this entry
plasmon Syllabification: plas·mon
Pronunciation: /ˈplazˌmän/

Definition of plasmon in English:


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.

Definition of plasmon in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources