「plutonium」の発音の仕方 (スウェーデン語)
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「plutonium」の意味と定義
- Noun
a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
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