A short-lived neutral system, analogous to an atom, consisting of a positron and a negative electron bound together.
| 单词 | θ79106 |
| 释义 | the world > matter > physics > atomic physics > particle physics > particle avoiding strong interaction > electron > [noun] > positive electron > neutral system (1) positronium1945 A short-lived neutral system, analogous to an atom, consisting of a positron and a negative electron bound together. |
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