Muon
4 lettersnounrareUpdated June 2026
Definition
An unstable subatomic particle with a negative electric charge, similar to an electron but much heavier, with a half-life of about two microseconds before decaying into an electron, a neutrino, and an antineutrino.
“The muon passes through dense matter far more easily than an electron does.”
Pronunciation
Syllables
mu·on
Word Game Tips
Wordle
Contains the vowels U and O together, a useful vowel-heavy word for probing two positions at once in Wordle
Scrabble
Worth moderate points overall, the uncommon UO pairing can help offload surplus vowels, and muons is a clean extension
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