First Known Use: 1933
Dictionary
positron
noun pos·i·tron \ˈpä-zə-ˌträn\
physics : a very small particle of matter that has a positive charge of electricity and that travels around the nucleus of an atom
Full Definition of POSITRON
: a positively charged particle having the same mass and magnitude of charge as the electron and constituting the antiparticle of the electron —called also antielectron
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Origin of POSITRON
positive + -tron (as in electron)
Rhymes with POSITRON
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Medical Dictionary
positron
noun pos·i·tron \ˈpäz-ə-ˌträn\
Medical Definition of POSITRON
: a positively charged particle having the same mass and magnitude of charge as the electron and constituting the antiparticle of the electron—called also positive electron
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