photon

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Etymology

From photo- + -on.

Pronunciation

• IPA: /ˈfəʊtɒn/

Noun

photon (plural photons)

1. (particle) The quantum of light and other electromagnetic energy, regarded as a discrete particle having zero rest mass, no electric charge, and an indefinitely long lifetime. It is a gauge boson.

Translations

• French: photon
• German: Photon, Lichtteilchen
• Italian: fotone

  Brazilian: fóton

  European: fotão

• Russian: фото́н
• Spanish: fotón

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