Answer: POSITRON
POSITRON is a crossword puzzle answer that we have spotted 8 times.
Referring Clues:
- Beta decay emission, sometimes
 - First antiparticle discovered
 - Subatomic particle
 - Nuclear particle
 - Antielectron
 - Antiparticle first observed in 1929
 - Physics particle
 - Electron's antiparticle
 
Last Seen In:
- LA Times - February 16, 2025
 - LA Times - May 30, 2019
 - King Syndicate - Eugene Sheffer - December 29, 2017
 - New York Times - August 27, 2017
 - Universal - December 21, 2011
 - New York Times - January 18, 2008
 - Washington Post - December 22, 2001
 
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