ball mill

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.

ball mill

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

Word History and Origins

Origin of ball mill¹

First recorded in 1900–05

Example Sentences

In another type of mill, called the ball mill, the principle is different.

From Project Gutenberg