roughing mill

noun

A metal disc charged with wet emery, etc., for grinding gems.

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Meanings

nounroughing mill (plural roughing mills)

plural roughing mills

  1. A metal disc charged with wet emery, etc., for grinding gems.
  2. A type of endmill optimized for roughing out.
Cite this entry
APA

roughing mill. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/roughing%20mill

MLA

“roughing mill.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/roughing%20mill. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “roughing mill,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/roughing%20mill.

Source: roughing mill on Wiktionary, CC BY-SA 4.0.