[myoo-on-noo-tree-noh, -nyoo-]

noun, plural mu·on-neu·tri·nos. Physics.

a type of neutrino that obeys a conservation law together with the muon, with the total number of muons and muon-neutrinos minus the total number of their antiparticles remaining constant.

Compare lepton2.
Also called mu-neutrino, muonic neutrino. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019