Mining. A principal vein of ore that is more or less vertical. Cf. rake-vein, n.
| 单词 | θ6350 |
| 释义 | the world > the earth > minerals > mineral deposits > [noun] > vein > perpendicular (2) rakec1584 Mining. A principal vein of ore that is more or less vertical. Cf. rake-vein, n. rake-vein1789 = rake, n.3 3. |
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