ball mill

American  

noun

1. a grinding mill in which the material to be ground is tumbled in a drum with heavy balls of iron, steel, or stone.

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ball mill British  

noun

1. engineering a horizontal cylinder or cone in which a substance, such as a mineral, is ground by rotation with steel or ceramic balls

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Etymology

Origin of ball mill

First recorded in 1900–05

Example Sentences

Inside a sealed steel container called a ball mill, small pieces of sodium metal are ground together with Teflon.

From Science Daily

The team used a ball mill, a tool normally used to grind or blend materials in mineral processing, to grind down crystallized ice.

From Scientific American

Picture taken through a ball mill machine June 28, 2019.

From Reuters

An employee measures a newly manufactured ball mill machine at a factory in Nantong, Jiangsu province, China June 28, 2019.

From Reuters

He mixes the ash with water in a ball mill, which rotates to create a kind of sludge.

From New York Times