| 单词 | kidney ore |
| 释义 | > as lemmaskidney ore kidney-iron ore n. = kidney ore. ΚΠ 1882 Econ. Geol. Illinois II. 164 We find an exposure of over twenty feet of shaly strata, with much kidney-iron ore. kidney ore kidney ore n. hæmatite occurring in kidney-shaped masses. ΘΚΠ the world > the earth > minerals > ore > [noun] > metal ore > iron ore > specific shape ball-mine1702 pipe ore1709 ball veina1728 kidney ore1750 1750 R. Pococke Trav. (1888) 15 Three sorts of ore, the finest is the kidney ore. 1852 T. Ross tr. A. von Humboldt Personal Narr. Trav. Amer. I. xiii. 441 The metals appear only in kidney-ores, and present the most delusive appearances. < as lemmas |
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