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    plutonium

    plutonium - 365bet中国官方网站 definition and meaning for word plutonium

    Definition
    (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
    Synonyms : atomic number 94 , pu
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