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单词 coal pipe
释义

coal pipen.

Brit. /ˈkəʊl pʌɪp/, U.S. /ˈkoʊl ˌpaɪp/
Origin: Formed within English, by compounding. Etymons: coal n., pipe n.1
Etymology: < coal n. + pipe n.1
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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n.1699
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