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TOEFL BNC: 4252 COCA: 5566

electron

noun
/ɪˈlektrɒn/
/ɪˈlektrɑːn/
(physics物理)
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  1. a very small piece of matter (= a substance) with a negative electric charge, found in all atoms电子 see also neutron, protonTopics Physics and chemistryc1
    Oxford Collocations DictionaryElectron is used before these nouns:
    • beam
    • microscope
    • transfer
    See full entry
    Word Originlate 19th cent.: from electric + -on.
TOEFL BNC: 4252 COCA: 5566
TOEFL BNC: 4252 COCA: 5566
TOEFL BNC: 4252 COCA: 5566
electron
Atoms and parts of atoms: alpha particle, anion, antiparticle...

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