Last Updated:2025/11/19
The transuranic chemical element with atomic number 94 and symbol Pu: a silvery-gray fissile radioactive actinide metal that tarnishes when exposed to air.
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plutonium
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Source Word
plutonium
IPA(Pronunciation)
Noun
uncountable
usually
alt-of
alternative
countable
historical
Japanese Meaning
原子番号94、元素記号Puを持つ、空気中で酸化して錆びる銀灰色の核分裂性放射性アクチニド金属。
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( plural )