DICT.TW Dictionary Taiwan

 an·ti·par·ti·cle /ˈæntɪˌpɑrtɪkəl, ˈænˌtaɪ-/
 反粒子

 antiparticle
      n : 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