Definition of slag heap
:a large pile of material that is left when rocks that contain metal are heated to get the metal out
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slag
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: the dross or scoria of a metal
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: a lewd or promiscuous woman
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: to criticize harshly
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heap
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: a collection of things thrown one on another : pile
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: a great number or large quantity : lot
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: to throw or lay in a heap : pile or collect in great quantity
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: to form or round into a heap
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: to form a heap on : load heavily
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