muonium

English

Etymology

muon +‎ -ium

Noun

muonium (plural muoniums)

1. (physics, chemistry) An exotic atom formed when a positively charged muon (an anti-muon) and an electron are bound by their mutual electrical attraction; chemically equivalent to a light, short-lived isotope of hydrogen.

Derived terms

• Mu (symbol, abbreviation)
• true muonium

See also

• muononium, the onium form of mu leptons (muons)
• positronium