plutonium | ||
1. | [ noun ] (chemistry) a radioactive transuranic element that is similar to uranium; 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 | |
Synonyms: | atomic_number_94 Pu | |
Related terms: | chemical_element plutonium_239 | |
Similar spelling: |
pluton plutonic platinum Plutonian Platonism platoon Platonistic plotinus Platonic Platanus Platonist platen platan Plotner Platner plating |