As a noun plutonium is
plutonium (chemical element).
uraninium
Not English
Uraninium has no English definition. It may be misspelled. plutonium
English
Noun
(
-)
(
wikipedia plutonium)
The transuranic chemical element with atomic number 94 and symbol Pu.
Derived terms
* plutonate
* plutonium bomb
* plutonium dioxide
* plutonium enrichment
* plutonium hydride
* plutonyl
* reactor-grade plutonium
* weapon-grade plutonium
Related terms
* Pluto
* pluton
* Plutonian
* plutonic
* plutonism