electron   
  e‧lec‧tron /ɪˈlektrɒn $ -trɑːn/ BrE  AmE  noun [countable]   [Date: 1800-1900; Origin: electro- + -on (as in ion)]    a very small piece of matter with a negative electrical ↑charge that moves around the ↑nucleus (=central part) of an atom ⇨ proton, neutron
  electronhu| ◎ | [i'lektrɔn] |  | ※ | danh từ |  |   | ■ | Electron, điện tử |  
 
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