stamp mill

or stamp·ing mill

[ stamp mil or stamp-ing mil ]
/ ˈstæmp ˌmɪl or ˈstæmp ɪŋ ˌmɪl /

noun Mining.

a mill or machine in which ore is crushed to powder by means of heavy stamps or pestles.

Origin of stamp mill

First recorded in 1740–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for stamp mill

British Dictionary definitions for stamp mill

stamp mill

noun

metallurgy a machine for crushing ore
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012