a positively charged particle consisting of two protons and two neutrons bound together (as in the nucleus of a helium atom) and emitted by a…
| 单词 | θ79386 |
| 释义 | the world > matter > physics > atomic nucleus > radioactivity > alpha radiation > [noun] > particle in (1) alpha particle1903 a positively charged particle consisting of two protons and two neutrons bound together (as in the nucleus of a helium atom) and emitted by a… |
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英语词典包含1132095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。