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positron

/ˈpɒz.ɪ.trɒn/

翻译: 一种带正电荷的基本粒子,是电子的反物质对应体;正电子与电子相遇时会发生湮灭。

1 个条目

noun

/ˈpɒz.ɪ.trɒn/C1formalscientific
  • zh一种带正电荷的基本粒子,是电子的反物质对应体;正电子与电子相遇时会发生湮灭。

An elementary particle with a positive charge, which is the antimatter counterpart of the electron; when a positron and an electron interact, they annihilate each other.

  1. C2formalscientific

    An elementary particle with the same mass as an electron but with a positive electric charge; the antiparticle of the electron.

    zh基本粒子

    • When a positron and an electron collide, they annihilate each other, releasing energy.
    • Positrons are used in medical imaging techniques like PET scans.
    • Scientists study positrons to understand antimatter and the early universe.

    同义词antielectron

    反义词electron

词形
  • positrons plural form
  • positrons' possessive plural form
  • positron's possessive singular form