plutonium
noun /pluːˈtəʊniəm/
/pluːˈtəʊniəm/
[uncountable] (symbol Pu)
- a chemical element. Plutonium is radioactive and is used in nuclear weapons and in producing nuclear energy.
钚（放射性化学元素） Topics Physics and chemistryc2- the capability to enrich uranium or reprocess plutonium
浓缩铀或再处理钚的能力 - one ton of plutonium extracted from spent nuclear fuel
从废核燃料中提取的一吨钚 - the plane that dropped a plutonium bomb on the city of Nagasaki
在长崎市扔下一颗钚弹的那架飞机
Collocations Dictionaryadjective- radioactive
- weapons-grade
- extract
- produce
- recover
- …
- fuel
- production
- bomb
- …
词源1940s: from Greek ‘Pluto’, on the pattern of neptunium, being the next planet beyond Neptune. - the capability to enrich uranium or reprocess plutonium