Word · Frequency #9391
plutonium
钚（一种银灰色放射性超铀元素，原子可被中子轰击分裂，微量存在于铀矿中，通常在核反应堆中合成）
a solid silvery grey radioactive transuranic element that can be split when bombarded with neutrons, found in minute quantities in uranium ores but usually synthesized in nuclear reactors; the most important isotope is plutonium 239
- 1.
The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.
一种超铀化学元素,原子序数94,符号Pu:一种银灰色可裂变放射性锕系金属,暴露在空气中会失去光泽。
一种超铀化学元素,原子序数94,符号Pu:一种银灰色可裂变放射性锕系金属,暴露在空气中会失去光泽。；钚；[化] 钚Pu
In use
Plutonium is used as a fuel in nuclear reactors.
The scientists handled the plutonium with extreme caution due to its radioactivity.
The production of plutonium requires specialized facilities.
plutonium is a [adjective] element
Plutonium is a radioactive element.
钚是一种放射性元素。
plutonium is used in [noun phrase]
Plutonium is used in nuclear reactors.
钚用于核反应堆。
plutonium [noun]
Plutonium production must be carefully monitored.
Connections
Collocations
- plutonium production
- 钚生产
- The country has expanded its plutonium production capabilities.该国扩大了其钚生产能力。
- plutonium reprocessing
- 钚再处理
- Plutonium reprocessing is a key step in the nuclear fuel cycle.钚再处理是核燃料循环中的关键步骤。
- plutonium fuel
- 钚燃料
- Some reactors use mixed oxide fuel containing plutonium.一些反应堆使用含有钚的混合氧化物燃料。
- plutonium waste
- 钚废料
- Safe disposal of plutonium waste is a major environmental concern.钚废料的安全处置是一个重大的环境问题。
- plutonium stockpile
- 钚库存
- International agreements aim to reduce plutonium stockpiles.国际协议旨在减少钚库存。
- plutonium pit
Learner notes
Memory Tip
想象单词中的pluto像冥王星，而钚是核燃料，冷与热的反差帮你记住这个放射性元素。
Context & Register
语域：formal 常见场景：核化学、核能、材料科学 通常用于科技文献或专业讨论，属于正式语域。
Grammar Note
作为化学元素，通常不可数。
Pronunciation & Spelling
Words 'polonium' and 'ammonium' share the same stressed vowel and ending /-əʊniəm/ with 'plutonium'. The other four end with different vowel sounds: uranium and titanium in /-eɪniəm/, radium in /-diəm/, calcium in /-siəm/.
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.