Plutonium — synonyms, definition

1. plutonium (Noun)

2 synonyms
Pu atomic number 94
1 definition

plutonium (Noun) — 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. ex. "weapons-grade plutonium"

2 types of
chemical element element
1 type
plutonium 239