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单词 ferriferous
释义 ferriferous, a.|fɛˈrɪfərəs|
[f. L. ferr-um + -iferous.]
Producing or yielding iron; ferriferous rock, a rock containing iron ore.
1811Pinkerton Petral. I. 486 This excellent mineralogist suspects [it] to be ferriferous carbonate of lime.1871Proc. Amer. Phil. Soc. XII. 137 The fireclay under the ferriferous coal.1883Anthropological Jrnl. 322 Black heaps are more or less common in connection with certain ferriferous rocks.
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