| 单词 | tellurium |
| 释义 | Word Frequency tellurium(tɛˈlʊərɪəm) noun a brittle silvery-white nonmetallic element occurring both uncombined and in combination with metals: used in alloys of lead and copper and as a semiconductor. Symbol: Te; atomic no: 52; atomic wt: 127.60; valency: 2, 4, or 6; relative density: 6.24; melting pt: 449.57±0.3°C; boiling pt: 988°C Word origin C19: New Latin, from Latin tellūs the earth, formed by analogy with uranium |
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