单词 | coal pipe |
释义 | coal pipen. Mining (English regional (northern)). Now historical and rare. A narrow vein of coal, esp. one traversing strata vertically. Also: a stem or stump of a plant which has been transformed into coal (see coalification n.). ΘΚΠ the world > the earth > minerals > mineral deposits > [noun] > vein > thin race1580 string1603 veinlinga1618 leading1653 primgap1653 sticking1653 coal pipe1699 hilo1848 stringer1874 1699 Philos. Trans. (Royal Soc.) 21 77/1 Thence 25 yar. further W. 40 ya. from the old Pitts, in yellow Clay, and rotten iron stone, 1 ya. 3 qua. in Coal pipe 2 inc. 1797 J. Bailey & G. Culley Gen. View Agric. Northumberland 15 Brown post with coal pipes. 1816 W. T. Brande Descriptive Catal. Brit. Specimens Geol. Coll. Royal Inst. 90 Pyritical cast of a Reed. Heworth. (Coal-pipes). 1867 W. W. Smyth Treat. Coal & Coal-mining 30 Sigillaria stems..are apt to drop out without warning, in a mass weighing from a few cwts. to a ton. They are thus commonly known as bell-moulds, coal-pipes, or cauldron-bottoms. 1885 Borings & Sinkings (N. Eng. Inst. Mining & Mech. Engineers) 308 Blue seamy parting, with some scares of coal or coal pipes. 1918 Proc. Amer. Philos. Soc. 57 5 The Inferior Oölite..has some coal in Yorkshire... Equisetiform remains are in the upper layers, standing vertically as if in place of growth... At 80 feet lower, a white sandstone, associated with coal, has similar ‘coal pipes’. This entry has been updated (OED Third Edition, September 2013; most recently modified version published online March 2022). < |
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