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A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery metal that quickly tarnishes in air and moisture. / (countable) A single atom of this element.

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neodymium

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neodymium

/nɪə(ʊ)ˈdɪmɪəm/

noun

A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery metal that quickly tarnishes in air and moisture. / (countable) A single atom of this element.

Neodymium is a rare earth element.

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意味（1）

Other rare elements, like neodymium, exist in more than one isotopic form, the ratios of which can provide a measure of the depth from which the flow material may ultimately have been derived.

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意味（2）

(countable) A single atom of this element.

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neodymium

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