| 单词 | nepheline |
| 释义 | Word Frequency nepheline(ˈnɛfɪlɪn, -ˌliːn) or nephelite (ˈnɛfɪˌlaɪt) noun a whitish mineral consisting of sodium potassium aluminium silicate in hexagonal crystalline form: used in the manufacture of glass and ceramics. Formula: (Na,K)(AlSi)2O4 Word origin C19: from French néphéline, from Greek nephelē cloud, so called because pieces of it become cloudy if dipped in nitric acid |
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