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roughing mill
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noun Metallurgy.
a rolling mill for converting steel ingots into blooms, billets, or slabs.
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Which of the following nouns has an irregular plural form?
Origin of roughing mill
First recorded in 1840–50
Words nearby roughing mill
rough fish, rough-hew, roughhouse, roughie, roughing-in, roughing mill, roughish, rough it, rough-legged buzzard, rough-legged hawk, rough lemon
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022