| 单词 | polianite |
| 释义 | polianite /poh"lee euh nuyt'/, n. Mineral. a variety of pyrolusite, MnO2, having well-developed crystals. [1840-50; < G Polianit, irreg. < Gk poliaínesthai to grow white (with sea foam), deriv. of poliós gray; see -ITE1] |
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