单词 | franklinite |
释义 | Word Frequency franklinite(ˈfræŋklɪˌnaɪt) noun a black mineral consisting of an oxide of iron, manganese, and zinc: a source of iron and zinc. Formula: (Fe,Mn,Zn) (Fe,Mn)2O4 Word origin C19: from Franklin, New Jersey, where it is found, + -ite1 |
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