PU
📖 中文释义
- [计] 物理单元
- [医] 钚(94号元素)
📘 English Definition（英文释义）
- n a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239