slag heapとは 意味・読み方・使い方

名詞

slag heap (plural slag heaps)

1. A man-made mound or heap formed with the waste material (slag) as a by-product of coal mining. Can also refer to the waste by-product from a foundry or furnace, formed into such a mound.

   Synonym: (by-product of mining) spoil heap

   • 1952 January, H. A. Vallance, “The Waverley Route”, in Railway Magazine, page 16:

     As the Lothian Plain is reached, collieries and slag heaps begin to appear, although much of the surrounding country remains unspoiled.

   • 1960 February, J. N. Faulkner, “The Belgian Railways today”, in Trains Illustrated, page 86:

     The Borinage coalfield around Mons is another attractive area for the railway enthusiast; it is rather like South Lancashire, with its gently undulating landscape studded with slag heaps and pithead gear and criss-crossed by railway lines and tramways.