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单词 cropore
释义

> as lemmas

crop-ore
crop-ore n. (see 12).
extracted from cropn.
crop-ore
12. Tin-mining. The best quality of tin-ore obtained after dressing; more fully crop-ore, crop-tin.
ΘΚΠ
the world > the earth > minerals > ore > [noun] > metal ore > tin ore
tin-stone1602
crop1778
row1778
stream-tin1778
tin-stuff1778
wood-tin1787
stannolite1843
toad's eye tin1850
cassiterite1858
tin wash1898
1778 W. Pryce Mineralogia Cornubiensis 218 The crop and leavings of Tin. The first is the prime Tin.
1778 W. Pryce Mineralogia Cornubiensis 319 The finest black Tin is called the Crop.
1884 M. Beck Erichsen's Sci. & Art Surg. (1888) 348 Two pits are formed; in the one nearest the mill the purer and heavier part of the ore, or crop, is deposited.
extracted from cropn.
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更新时间:2024/11/10 23:52:11