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Definition of electron noun from the Oxford Advanced Learner's Dictionary

electron

noun
 
/ɪˈlektrɒn/
 
/ɪˈlektrɑːn/
 (physics)
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  1. 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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    Topics Physics and chemistryc1
    Oxford Collocations DictionaryElectron is used before these nouns:
    • beam
    • microscope
    • transfer
    • …
    See full entry
    Word Originlate 19th cent.: from electric + -on.
See electron in the Oxford Advanced American DictionarySee electron in the Oxford Learner's Dictionary of Academic English
Check pronunciation: electron

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dizzy
adjective
 
 
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