roughing mill

noun Metallurgy.

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

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Nearby words

roughcast, roughen, rougher, roughhouse, roughie, roughing mill, roughing-in, roughish, roughly, roughneck, roughrider

Origin of roughing mill

First recorded in 1840–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019