electron
noun/ɪˈlektrɒn/
/ɪˈlektrɑːn/
(physics)- a very small piece of matter (= a substance) with a negative electric charge, found in all atoms see also neutron, protonTopics Physics and chemistryc1Oxford Collocations DictionaryElectron is used before these nouns:
- beam
- microscope
- transfer
- …
Word Originlate 19th cent.: from electric + -on.Want to learn more?
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electron