| negatron |
electron: an elementary particle with negative charge
출처: wordnet.princeton.edu/perl/webwn
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| negatron |
The electron is a subatomic particle. In an atom the electrons surround the nucleus of protons and neutrons in an electron configuration. The word electron was coined in 1894 and is derived from the term electric, whose ultimate origin is the Greek word 'ηλεκτρον, meaning amber. ...
출처: en.wikipedia.org/wiki/Negatron
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