positronium
/ˌpɒzɪˈtrəʊnɪəm/Physics
noun
A short-lived neutral system, analogous to an atom, consisting of a positron and a negative electron bound together.
Origin
1940s; earliest use found in Arthur Edward Ruark (b. 1899). From positron + -ium.
| 单词 | positronium |
| 释义 | positronium/ˌpɒzɪˈtrəʊnɪəm/Physics noun A short-lived neutral system, analogous to an atom, consisting of a positron and a negative electron bound together. Origin |
| 随便看 |
英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。