POSITRON


Meaning of POSITRON in English

/ ˈpɒzɪtrɒn; NAmE ˈpɑːzɪtrɑːn/ noun

( physics ) a particle in an atom which has the same mass as an electron and an equal but positive charge

••

WORD ORIGIN

1930s: from positive + -tron .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.