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单词 float-gold
释义

> as lemmas

float-gold
float-gold n. (see float-mineral n.).
ΚΠ
1873 J. Miller Life amongst Modocs xvi. 204 They had found only a few bars with float gold.
1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 133 Float-gold, Pac[ific slope]. Fine particles of gold, which do not readily settle in water, and hence are liable to be lost in the ordinary stamp-mill process.
1890 Pall Mall Gaz. 28 May 2/1 If, on the other hand, you crush too fine, you get ‘float gold’.
extracted from floatn.
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