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n. Any of three electrically neutral subatomic particles in the lepton family. See Table at subatomic particle.

n. 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.

n. an elementary particle with zero charge and zero mass

"This means e.g. that the electron and the neutrino belong to the same family of particles; the neutrino is the electron's little brother."

lepton   

tau neutrino    solar neutrino    neutrino oscillation    electron neutrino    muon neutrino    antineutrino   

Angeleno    Aquino    Avellino    Calvino    Camino    Cassino    Chino    Comino    Cupertino    Dino   

tachyon    gamma-ray    neutron    ultraviolet    graviton    high-energy    tetryon    chroniton    photon    infrared