| 单词 | uraninite |
| 释义 | Word Frequency uraninite(jʊˈrænɪˌnaɪt) noun a blackish heavy radioactive mineral consisting of uranium oxide in cubic crystalline form together with radium, lead, helium, etc: occurs in coarse granite. Formula: UO2 Word origin C19: see uranium, -in, -ite1 |
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