单词 | nitratine |
释义 | nitratine/ˈnʌɪtrətiːn/Mineralogy noun Native sodium nitrate, NaNO3, crystallizing in the trigonal system and occurring as whitish efflorescences on soil or as granular crusts which are worked as a source of nitrate. OriginMid 19th century; earliest use found in James Nicol (1810–1879), geologist. From German Nitratin from Nitrat + -in. |
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