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Definition and Synonyms for プロメチウム
| 1. |
プロメチウム |
安定した同位元素を持たないまれな土群の柔らかい銀質の鉄分要素 |
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Atomic Number 61 |
a soft silvery metallic element of the rare earth group having no stable isotope |
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Synonyms: |
プロメチウム |
| 2. |
プロメチウム |
ウランの核分裂生成物として、放射性形態で発見された |
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Atomic Number 61 |
was discovered in radioactive form as a fission product of uranium |
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Synonyms: |
プロメチウム |
Categories プロメチウム is a member of
| 1. |
メタール |
通例光沢のある固体で、熱または電気を伝導し、シートなどに加工できる様々な化学元素の総称 |
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Metal |
any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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