A device that grinds material very finely by means of a horizontally rotating drum containing ceramic or metal balls

Alternative form of millwheel

Alternative form of millstream

plural of mill wheel

A windmill of which only the cap turns round to meet the wind. It is different from a post mill, whose whole building turns on a post.

(pottery) A mill in which flints are ground.

(ironworking) A rough bar rolled or drawn directly from a bloom or puddle bar for conversion into merchant iron in the mill.

A form of windmill constructed so that the whole building rests on a vertical axis firmly fastened to the ground. It is capable of being turned as the direction of the wind varies.

A process of making flour from grain by several successive grindings and intermediate sorting, instead of by a single grinding.

slag from a puddling furnace