noun
1. : a set of roughing rolls
2. : a revolving metal disk charged with an abrasive that is used in various processes (as the grinding of gems)
noun
1. : a set of roughing rolls
2. : a revolving metal disk charged with an abrasive that is used in various processes (as the grinding of gems)
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012