Meaning
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.
Etymology
Origin: Latin
Etymology tree English muon Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English muonium From muon + -ium.
Synonyms & Antonyms
Synonyms
element 0element zerohydrogen-0Mu
NYT Puzzle Appearances
No published puzzle dates on file for this word yet. It is part of the official NYT Spelling Bee word list for 2021, 2023, 2024, 2025, 2026.