: a pulverizing machine consisting of a rotating drum which contains pebbles or metal balls as the grinding implements
Examples of ball mill in a Sentence
Recent Examples on the WebNoisy tumblers known as ball mills operate almost continually in mining communities, often next to homes, grinding the ore along with mercury and water to extract the gold.
National Geographic, 24 May 2016 For 15 years, Resti's family has operated a ball mill just outside the kitchen door.
National Geographic, 24 May 2016
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ball mill.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.