Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

muonium

play
noun mu·on·ium \myü-ˈō-nē-əm, -ˈä-\

Definition of muonium

  1. :  a short-lived quasi-atom consisting of an electron and a positive muon



Origin and Etymology of muonium

New Latin


First Known Use: 1957


Learn More about muonium


Seen and Heard

What made you want to look up muonium? Please tell us where you read or heard it (including the quote, if possible).