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) Extra ExamplesTopics Physics and chemistryc2the 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
Oxford Collocations Dictionaryadjective- radioactive
- weapons-grade
- extract
- produce
- recover
- …
- fuel
- production
- bomb
- …
Word Origin1940s: from Greek ‘Pluto’, on the pattern of neptunium, being the next planet beyond Neptune.