1. electronPhysics terminology
Noun or verb acting prenominally
2. electronic
  • でんし電子
  • タイプライター
  • あります
  • Do you have an electronic typewriter?
Wikipedia definition
3. ElectronThe electron is a subatomic particle with a negative elementary electric charge. It has no known components or substructure; in other words, it is generally thought to be an elementary particle. An electron has a mass that is approximately 1/1836 that of the proton. The intrinsic angular momentum of the electron is a half-integer value in units of ħ, which means that it is a fermion.
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