An elementary particle that is classified as a lepton, and has an extremely small but nonzero mass and no electric charge. It interacts with the surroundings only via the weak force or gravitation, making it very difficult to detect.

plural of neutrino

A leptonic elementary particle having about half the mass of an electron and no charge.

A leptonic elementary particle having a mass 60 times that of the electron and no charge

A leptonic elementary particle, having near-zero mass and no charge

(astronomy) The detection and study of neutrinos, in order to investigate astronomical objects and the universe.

plural of muon neutrino

plural of electron neutrino

plural of tau neutrino

(physics) An antileptonic elementary particle that is the antiparticle of a muon neutrino