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Dictionary

mu•o•ni•um

Pronunciation: (myOO-ō'nē-um), [key]
—n. Physics.
an electron and a positively charged muon bound together by electrical attraction in the same manner as the electron and proton in a hydrogen atom.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

muon

muon-neutrino

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