Определение slag heap в Английский Язык Английский Язык словарь
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
A slag heap is a hill made from waste material, such as rock and mud, left over from mining. a pile of waste materials at a mine or factory