Mining, etc. A passage ‘driven’ or excavated horizontally, for working, exploration, ventilation, or draining; esp. one driven in the direction…
| 单词 | θ211920 |
| 释义 | society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > passage > horizontal (19) drift1653 Mining, etc. A passage ‘driven’ or excavated horizontally, for working, exploration, ventilation, or draining; esp. one driven in the direction… sump1681 Mining. Chiefly British regional. A mine shaft that does not communicate with the surface, used esp. to provide access or ventilation to… heading1811 Mining and Civil Engineering. A passage driven horizontally (cf. headway, n. 2); spec. one for draining overlying ground. driftway1843 Mining, etc. = drift, n. 15; also, a small gallery driven in advance of a tunnel, etc. drive1856 Mining (chiefly Australian and New Zealand). A passage driven or excavated horizontally or at a slight incline. day drift1859 a horizontal or gently inclined drift (drift, n. 15) that communicates directly with the surface; cf. sense 23. downdrift1868 Mining. A passage in a mine leading gently downwards. Cf. drift, n. 15. header1872 Mining. = heading, n. 13. Subcategories:— types of (10) — pit sunk in (1) |
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