A bed or stratum of a particular substance or mineral (esp. coal). Obsolete. rare.
| 单词 | θ6334 |
| 释义 | the world > the earth > minerals > mineral deposits > [noun] > stratum or bed (39) delf1601 A bed or stratum of a particular substance or mineral (esp. coal). Obsolete. rare. measure1665 A stratum or bed of mineral. Now only in plural. bonny1671 A separate mass or body of ore, not connected with a vein. streak1672 The horizontal course of a stratum of coal (cf. stretch, n., strike, n.1 8). Subcategories:— of coal (31) — bed of stone or sand (4) |
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