| 单词 | to stream for |
| 释义 | > as lemmasto stream for 12. Mining. To flush (a detrital deposit) with a stream of water, in order to carry off the earthy matter, and leave the ore exposed. Usually absol. to stream for (tin, copper, etc.). ΘΚΠ society > occupation and work > industry > mining > mine [verb (transitive)] > wash or stream wash1543 strip1674 stream1778 van1839 1778 W. Pryce Mineralogia Cornubiensis 132 Nothing else remains than to describe the manner of Streaming. 1787 Groschke tr. Klaproth Observ. Fossils Cornwall 11 The manner of streaming or collecting the tin rubbles..is briefly the following. 1796 Trans. Soc. Arts 14 166 On streaming or searching for tin,..another stratum was discovered. 1866 C. Kingsley Hereward the Wake I. iii. 103 Past the ugly dykes and muddy leats, where Alef's slaves were streaming the gravel for tin ore. 1877 Encycl. Brit. VI. 425/2 Copper, which lies deeper in the earth, and consequently cannot be ‘streamed’ for. 1899 S. Baring-Gould Bk. of West II. 61 Hardly a gully has not been streamed, every river-bed has been turned over. 1907 Proc. Soc. Antiquaries 456 For the purpose of streaming for wolfram, or tungsten. < as lemmas |
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