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BNC: 44376 COCA: 22917

positron

noun
/ˈpɒzɪtrɒn/
/ˈpɑːzɪtrɑːn/
(physics物理)
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  1. a particle in an atom which has the same mass as an electron and an equal but positive charge正电子;阳电子
    Word Origin1930s: from positive + -tron.
BNC: 44376 COCA: 22917
BNC: 44376 COCA: 22917
BNC: 44376 COCA: 22917
positron

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