원자 번호 94번의 은백색 방사성 금속 원소로, 주로 핵연료나 핵무기 제조에 사용됨
A dense, silvery-white radioactive metallic element of the actinide series, with atomic number 94, primarily used as fuel in nuclear reactors and in the production of nuclear weapons.
예문:
"The reactor produces plutonium as a byproduct of uranium fission."
"Plutonium is highly toxic and must be handled with extreme caution in specialized facilities."
"Scientists are researching safer ways to store spent plutonium from decommissioned weapons."