Answer: MUONS
MUONS is a crossword puzzle answer that we have spotted 6 times.
Referring Clues:
- Catalyzing subatomic particles
 - Unstable leptons
 - Elementary particles
 - Subatomic particles
 - Unstable subatomic particles
 - Unstable particles
 
Last Seen In:
- New York Times - February 19, 2023
 - LA Times - March 02, 2022
 - Netword - July 19, 2015
 - Universal - October 17, 2014
 - USA Today - September 18, 2013
 - Universal - February 28, 2013
 - Universal - October 01, 2012
 - New York Times - August 08, 2012
 - New York Times - December 03, 2011
 - USA Today - October 17, 2011
 - USA Today - September 09, 2010
 - Netword - February 01, 2009
 - LA Times - October 26, 2007
 - Netword - July 14, 2007
 - New York Times - November 03, 2005
 
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