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.

Definition of photino in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
turned backwards