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definitions

roughing mill

noun Metallurgy.

a rolling mill for converting steel ingots into blooms, billets, or slabs.

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Nearby words

  1. roughcast,
  2. roughen,
  3. rougher,
  4. roughhouse,
  5. roughie,
  6. roughing-in,
  7. roughish,
  8. roughly,
  9. roughneck,
  10. roughness

Origin of roughing mill

First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019