单词 | crowning-in |
释义 | > as lemmascrowning-in crowning-in n. (also crownings-in) Mining (now chiefly historical) subsidence of a surface over or around a shaft; an instance of this. ΚΠ 1836 Penny Mag. 9 July 267/1 A sudden ‘crownings in’ (as it is emphatically termed by the colliers), or falling in of the superincumbent strata, took place. 1849 G. Wynne Let. 1 Dec. in Rep. Commissioners Railways 1849 (1850) 77 On each side of the railway the surface of the ground presents a series of circular hollows or indentations caused by what is here termed the crowning in of the ground. 1886 F. Hackwood in C. Bradlaugh Compulsory Cultiv. Land (1887) (LSE Sel. Pamphlets) 19 If crownings-in were dropped; if miniature mountains rose to obstruct the view;..all this mattered not either to the [colliery] owner or to the manager as long as profits accumulated. 1953 Agric. Hist. 27 109/2 In 1865 ‘crownings in’ or sinking of the surface around the mouths of old shafts had rendered some areas useless. 2008 C. D. Prosser & J. G. Larwood in C. V. Burek & C. D. Prosser Hist. Geoconservation 227/2 There were regular reports of roof-falls and crowning-in. < as lemmas |
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