antielectron

1. The antielectron, or positron, was discovered in 1932.
   反电子或正电子，是在1932年被发现。
2. The positron is an antielectron.
   正电子就是反电子。
3. The study of fabrication of antielectron modulator by LIGA was reported in this paper. The work of this paper includes three subprojects: 1. Optimization design of the moderating and shielding system.
   本文报道了用LIGA技术制作正电子慢化体的实验研究1、慢化防护体优化设计。

noun

1. an elementary particle with positive charge

   Synonym:    positron