Meaning of CATION in English

CATION

/ ˈkætaɪən; NAmE / noun

( chemistry , physics ) an ion with a positive electrical charge

—compare anion

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WORD ORIGIN

mid 19th cent.: from cata alongside or from cathode , + ion .

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