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Từ điển Oxford Advanced Learner 8th
neutron
neu·tron [neutron neutrons] BrE [ˈnjuːtrɒn] NAmE [ˈnuːtrɑːn] noun (physics)
a very small piece of matter (= a substance) that carries no electric charge and that forms part of the ↑nucleus (= central part) of an atom
see also ↑electron, ↑proton
Word Origin:
early 20th cent.: from ↑neutral + -on.
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