Meaning of ELECTRON in English

ELECTRON

/ ɪˈlektrɒn; NAmE -trɑːn/ noun

( physics ) a very small piece of matter (= a substance) with a negative electric charge, found in all atoms

—see also neutron , proton

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WORD ORIGIN

late 19th cent.: from electric + -on .

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