Definition of exciton in English:


Syllabification: ex·ci·ton
Pronunciation: /ˈeksiˌtän, ikˈsītän


  • A mobile concentration of energy in a crystal formed by an excited electron and an associated hole.
    More example sentences
    • As the group intensified optical stimulation during the experiments, though, the number of excitons increased and the electron/electron-hole pairs cancelled each other.
    • The injected electrons and holes combine to form excitons, or electron-hole pairs, bound together by their mutual attraction.
    • Some of these excitons emit light when they decay to the ground state.


1930s: from excitation + -on.

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