POSITRON is a crossword puzzle answer that we have spotted 6 times.
- Beta decay emission, sometimes
- First antiparticle discovered
- Subatomic particle
- Nuclear particle
- Antiparticle first observed in 1929
Last Seen In:
- 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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