electron
美音:
[ı´lektrɔn
]英音:
[ı´lektrɔn
]n.电子
难易程度:
electron为六级词汇
词频:4218
词根
electr=electric(电的)
electron
/ɪ'lektrɒn; ɪ`lɛktrɑn/
n [C] (physics 物) minute particle of matter with a negative electric charge, found in all atoms 电子. Cf 参看 neutron, positron, proton.
electron
n[C][
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
neutron