| 单词 | germanium |
| 释义 | Word Frequency germanium(dʒɜːˈmeɪnɪəm) noun a brittle crystalline grey element that is a semiconducting metalloid, occurring principally in zinc ores and argyrodite: used in transistors, as a catalyst, and to strengthen and harden alloys. Symbol: Ge; atomic no: 32; atomic wt: 72.61; valency: 2 or 4; relative density: 5.323; melting pt: 938.35°C; boiling pt: 2834°C Word origin C19: New Latin, named after Germany |
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