photon n : a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle

English

Etymology

From photo- + -on.

Pronunciation

/ˈfəʊtɒn/

Noun

1. 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.

Derived terms

• photonics

Translations

• Czech: foton
• Esperanto: fotono
• Finnish: fotoni
• French: photon
• German: Photon
• Greek: φωτόνιο
• Italian: fotone
• Japanese: 光子 (こうし, kōshi)
• Norwegian: foton
• Polish: foton
• Russian: фотон (fotón)
• Swedish: foton
• Dutch : foton

See also

• phonon
• plasmon

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