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positron

1 ENTRIES FOUND:
positron /ˈpɑːzəˌtrɑːn/ noun
plural positrons
positron
/ˈpɑːzəˌtrɑːn/
noun
plural positrons
Britannica Dictionary definition of POSITRON
[count] physics
: a very small particle of matter that has a positive charge of electricity and that travels around the nucleus of an atom