plural of mill drill

(idiomatic, Northern England) Problems outside the household, especially in the workplace.

plural of diploma mill

A mill-like device utilizing an air blast to winnow grain, using riddles and sieves

An industrial facility that produces or processes steel.

plural of smock mill

A machine consisting of two rotating wheels, used by gold miners to break apart rocks.

plural of edge mill

plural of Chilean mill

A mill for crushing or grinding in which stones roll around on their edges on a level circular bed.