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Definition of "slag" [slag]

  • The vitreous mass left as a residue by the smelting of metallic ore. (noun)
  • See scoria. (noun)
  • To change into or form slag. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "slag" in a sentence
  • "If I call the queen a dirty parasite slag is that OK, it is just words."
  • "As for the name, the first thing I think of is a bing, a mountain of slag from a coal mine."
  • "They then thought that it was a piece of slag from a local foundry that had fallen out of a dump truck."