| 释义 |
Noun: plutonium ploo'towneeum- 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
- Pu, atomic number 94
Derived forms: plutoniums Type of: chemical element, element Encyclopedia: Plutonium |