photon

photo- +‎ -on
Coined in 1926 by the optical physicist Frithiof Wolfers and the chemist Gilbert N. Lewis.

• IPA^(key): /ˈfəʊtɒn/

photon (plural photons)

1. (physics) 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.
   • 2013 July-August, Fenella Saunders, “Tiny Lenses See the Big Picture”, in American Scientist:

     The single-imaging optic of the mammalian eye offers some distinct visual advantages. Such lenses can take in photons from a wide range of angles, increasing light sensitivity. They also have high spatial resolution, resolving incoming images in minute detail.

• phonon
• plasmon

• notoph

• IPA^(key): /fɔ.tɔ̃/

• Audio (Paris)

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• Audio

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photon m (plural photons)

1. (physics) photon

• “photon” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).