photon

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Wikipedia has an article on:

Wikipedia

Etymology[edit]

From photo- + -on.

Pronunciation[edit]

Noun[edit]

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”, 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 terms[edit]

Translations[edit]

See also[edit]


French[edit]

French Wikipedia has an article on:

Wikipedia fr

Pronunciation[edit]

  • (file)

Noun[edit]

photon m (plural photons)

  1. (physics) photon