photonとは

意味・読み方・使い方

発音

• IPA^(key): /ˈfəʊtɒn/

名詞

photon (複数形 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.

派生語

参考

• phonon
• plasmon

アナグラム

• Hopton, notoph