neodymium
原始詞典資料2 筆記錄
這個字我們還沒有寫成教學內容。以下是外部詞典記錄的用法,原文照列,方便你先看懂它的意思。
neodymiumnoun/nɪə(ʊ)ˈdɪmɪəm/
- 1
A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery rare earth metal that quickly tarnishes in air and moisture.
- 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.
- The most important application of dysprosium and terbium, which belong to a subgroup known as the heavy rare earths, is in devices called neodymium boron magnets, or neo magnets for short.
- 2
A single atom of this element.
資料來源:英文維基詞典 English Wiktionary(CC BY-SA 4.0)。 原文照列,未經改寫。