Unstable particle Crossword Clue
4 letters · New York Times · Sunday, February 6, 2011 · 69-Down
Appeared in 4 New York Times Crosswords between January 2000 and February 2011.
Exact puzzle match · New York Times · February 6, 2011 · 69-Down · 4 letters
MUON0 of 4 letters revealed
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What does this clue mean?
an elementary particle with a negative charge and a half-life of 2 microsecond; decays to electron and neutrino and antineutrino
noun
WordNet® (Princeton University)
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