- a transuranic element artificially produced by neutron bombardment of plutonium. Symbol: Fm; atomic no: 100; half-life of most stable isotope, 257Fm: 80 days (approx.)
| 单词 | fermium |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 fer•mi•um (fûr′mē əm),USA pronunciation n. [Chem., Physics.]
Collins Concise English Dictionary © HarperCollins Publishers:: fermium /ˈfɜːmɪəm/ n
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