/ 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
••
WORD ORIGIN
late 19th cent.: from electric + -on .
/ 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
••
WORD ORIGIN
late 19th cent.: from electric + -on .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005