| 单词 | germanium |
| 释义 | ger·ma·ni·um (jər-mānē-əm)n. Symbol Ge A brittle, crystalline, gray-white metalloid element, widely used as a semiconductor, as an alloying agent and catalyst, and in certain optical glasses. Atomic number 32; atomic weight 72.64; melting point 938.3°C; boiling point 2,833°C; specific gravity 5.323 (at 25°C); valence 2, 4. See Periodic Table. [After Germania.] |
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