Mining. A place where a portion of a coal or ironstone seam has been carried away by a stream, a deposit of sandstone being left in its place.
| 单词 | θ6501 |
| 释义 | the world > the earth > minerals > mineral structure or appearance > [noun] > deposit replacing eroded section (1) wash-out1876 Mining. A place where a portion of a coal or ironstone seam has been carried away by a stream, a deposit of sandstone being left in its place. |
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