1 文書を見つけるための辞書。

• antiparticle
• 反粒子
• a particle that has the same mass as another particle but has opposite values for its other properties; interaction of a particle and its antiparticle results in annihilation and the production of radiant energy
• 他の粒子と同じ質量をもつが、その他の特性では反対の値をもつ粒子