Definition of photino in English:


Line breaks: pho|tino
Pronunciation: /fə(ʊ)ˈtiːnəʊ

noun (plural photinos)

  • The hypothetical supersymmetric counterpart of the photon, with spin − 1/ 2.
    More example sentences
    • The photon, a boson, has a fermion partner called the photino.
    • Also, the next vibration of the string includes a photino or particle which may make up most of the dark matter in the Universe.
    • Another popular notion is supersymmetry, which predicts that all particles have shadowy ‘superpartners,’ with names such as selectrons, smuons and photinos.


1970s: from photon + -ino from neutrino.

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