noun
Physics term for the negatively charged elementary particle. In modern Japanese, 電子 is far more common; 陰電子 is a technical or historical variant.
See also: 電子
陰電子は負の電荷を持つ素粒子である。
An electron is an elementary particle with a negative charge.
古
In older physics literature, 電子 is sometimes written as 陰電子.
Positron, the antimatter counterpart of the electron. 陰電子 emphasizes the negative charge in contrast to 陽電子.
Compound of 陰 (negative, yin) and 電子 (electron), literally 'negative electron'. Coined in early modern physics to distinguish from 陽電子 (positron).