positron

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noun pos·i·tron \ˈpä-zə-ˌträn\

Definition of positron

  1. :  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

Recent Examples of positron from the Web

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Origin and Etymology of positron

positive + -tron (as in electron)


POSITRON Defined for English Language Learners

positron

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noun

Definition of positron for English Language Learners

  • physics : a very small particle of matter that has a positive charge of electricity and that travels around the nucleus of an atom


Medical Dictionary

positron

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noun pos·i·tron \ˈpäz-ə-ˌträn\

Medical Definition of positron

  1. :  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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