单词 | nephrite |
释义 | Word Frequency nephrite(ˈnɛfraɪt) noun a tough fibrous amphibole mineral: a variety of jade consisting of calcium magnesium silicate in monoclinic crystalline form. Formula: Ca2Mg5 Si8O22(OH)2 Also called: kidney stoneWord origin C18: via German Nephrit from Greek nephrós kidney, so called because it was thought to be beneficial in kidney disorders |
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