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See also: Photon

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EnglishEdit

 
English Wikipedia has an article on:
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EtymologyEdit

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

PronunciationEdit

NounEdit

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.

Derived termsEdit

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FrenchEdit

 
French Wikipedia has an article on:
Wikipedia fr

PronunciationEdit

  • IPA(key): /fɔ.tɔ̃/
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NounEdit

photon m (plural photons)

  1. (physics) photon

Further readingEdit