/ Dictionary / Index M mu-neutrino: Meaning and Definition of Find definitions for: mu-neu•tri•no Pronunciation: (my'n-trē"nō, -ny-, m'-), [key] — pl. -nos. muon-neutrino. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mundungus mung bean Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language