noun mu·on·ium \myü-ˈō-nē-əm, -ˈä-\

Definition of MUONIUM

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

Origin of MUONIUM

New Latin
First Known Use: 1957


Next Word in the Dictionary: mural (adjective)Previous Word in the Dictionary: muonAll Words Near: muonium
July 05, 2015
bunkum Hear it
insincere or foolish talk
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears