Mining. To agitate in water, or to pass a stream of water through (metalliferous earth) in order to separate the metallic particles.
| 单词 | θ210407 |
| 释义 | society > occupation and work > industry > mining > mine [verb (transitive)] > wash or stream (14) wash1543 Mining. To agitate in water, or to pass a stream of water through (metalliferous earth) in order to separate the metallic particles. strip1674 Tin-washing. (See quot. 1674.) Also to wash out (gold). stream1778 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… van1839 To separate and test (ore) by washing on a van or shovel. (Earlier in vanning, n.1 2.) Subcategories:— for gold (8) — for tin (2) |
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