Yielding free gold or silver; said of certain ores that can be reduced by crushing and amalgamation, without roasting or other chemical treatment.

(idiomatic) A clandestine operation where a medical worker illicitly offers prescription medication to patients in exchange for bribes.

An industrial facility that produces or processes steel.

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

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

(mechanical engineering) A rotary cutting tool typically used in milling machines.

(historical) A simple mill, often powered by animals, which grinds a material (grain, olives, chalk, etc) between a stationary horizontal stone disk and two vertical stone cylinders, in order to produce flour, olive oil, etc.

An airtight glass bulb containing a partial vacuum and a set of vanes, mounted on a spindle, which rotate when exposed to light, providing a quantitative measurement of electromagnetic radiation intensity.

Rumor mill.

mill that manufactures black powder (type of gunpowder)