Subatomic particle
The crossword clue "Subatomic particle" is answered by MUON, a 4-letter entry. Used 21 times across 13 distinct years; most recently in 2025; first recorded in 1980. It appears in 8 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
MUON
4 letters. See every clue for this answer on the MUON answer page.
Used 21 times across 13 distinct years; most recently in 2025; first recorded in 1980. It appears in 8 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
- POSITRON (4 uses in xd)
Other clues for MUON
Every other clue in this collection answered by MUON, most used first.
- Unstable particle - used 23 times, most recently in 2020
- Unstable subatomic particle - used 15 times, most recently in 2025
- Elementary particle - used 7 times, most recently in 2015
- Atomic particle - used 6 times, most recently in 2015
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Tiny particle - ATOM, used 96 times
- Particle - ATOM, used 82 times
- Subatomic particle - PION, used 39 times
- Dust particle - MOTE, used 21 times
- Minute particle - ATOM, used 21 times
- Basic particle - ATOM, used 19 times
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