- a malleable silver-white metallic element of the lanthanide series. Symbol: Ho; atomic no: 67; atomic wt: 164.93032; valency: 3; relative density: 8.795; melting pt: 1474°C; boiling pt: 2700°C
| 单词 | holmium |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 hol•mi•um (hōl′mē əm),USA pronunciation n. [Chem.]
Collins Concise English Dictionary © HarperCollins Publishers:: holmium /ˈhɒlmɪəm/ n
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