Chiefly English regional. Shale, occurring in a thin stratum, often found just above the coal seam.
| 单词 | θ6322 |
| 释义 | the world > the earth > minerals > mineral deposits > [noun] > of shale (4) rammel1712 Chiefly English regional. Shale, occurring in a thin stratum, often found just above the coal seam. rumble1850 English regional (midlands and northern). = rammel, n.1 3. rash1856 = rashing, n.2 Frequently in plural. rashing1883 A loose brittle deposit of shale or poor quality coal (see quot. 1964). Usually in plural. Cf. rash, n.5 |
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