beta particle definition

  • noun:
    • A high-speed electron or positron, especially one emitted in radioactive decay.
    • a dynamic electron or positron produced as the result of a nuclear response or atomic decay.
    • a high-speed electron or positron emitted in the decay of a radioactive isotope

Related Sources

  • Hypernym for "beta particle"
  • Medical Dictionary for "beta particle"
    • An electron ejected from the nucleus…
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