misgrind

Verb

misgrind (third-person singular simple present misgrinds, present participle misgrinding, simple past and past participle misground)

1. To grind improperly.
   • In many shops, a floor grinder is provided so that the men are perfectly free to misgrind their tools.1923, Frederic Burnham Jacobs, Abrasives: Grinding, Polishing, Buffing, Finishing - Volume 4, page 89
   • Overheating of the enamel slip during grinding, or misgrinding from other causes, brings out difficulties with respect to set of the enamel, dipping, draining, and spraying, as well as surface texture.1937, James Edward Hansen, Monroe J. Bahnsen, A Manual of Porcelain Enameling, page 294

Noun

IPA/ˈmɪsɡɹaɪnd/

misgrind (plural misgrinds)

1. The act or result of misgrinding.
   • Misgrinds are costly. I admit I've popped beans into the grinder and activated it only to realize it was set on coarse when I needed a drip.1997, Fresh Cup: The Voice of the Specialty Coffee Industry, page 52
   • Margins should be left everywhere after rough grinding so as to the “misgrind” can be avoided; thereby the fine grinding is needed.2021, A. Luximon, Handbook of Footwear Design and Manufacture, page 231