stamp-mill
Definition
- Noun:
- An ore-crushing machine: A "stamp-mill" is a machine used to crush ore, typically containing valuable minerals like gold or silver, by repeatedly dropping heavy weights (stamps) onto the material. It is a key device in mining operations for extracting metals from rock.
Usage Examples
- Noun:
- The old stamp-mill was still operational at the abandoned mine site. (The ore-crushing machine continued to work in the deserted mining area.)
- Workers fed chunks of quartz into the stamp-mill to break them down into fine powder. (Miners placed pieces of rock into the machine to be crushed.)
Advanced Usage
"to operate a stamp-mill": to run or manage the ore-crushing machine.
- The engineer learned how to operate the stamp-mill safely. (The engineer gained skills in running the crushing machine.)
"stamp-mill processing": the entire process of using a stamp-mill to extract metals.
- Stamp-mill processing was essential for the gold rush economy. (The crushing method was vital to the economy during the gold rush.)
Variants and Related Words
Stamp (n): a heavy metal weight used in a stamp-mill.
- Each stamp in the mill weighed over 500 pounds. (Each heavy metal piece was very heavy.)
Mill (n): a general machine for grinding or crushing materials.
- The corn mill at the farm is similar to a stamp-mill in design. (The grinding machine has a comparable structure.)
Stamp-milling (n): the action or process of using a stamp-mill.
- Stamp-milling was a common practice in 19th-century mining. (The crushing process was typical in historical mining.)
Synonyms
- Ore crusher: a machine that breaks down ore.
- Rock crusher: a device for crushing rocks.
- Stamp battery: a set of stamps used together in a mill.
Related Idioms
- "to put through the stamp-mill": to subject something to harsh treatment or thorough processing.
- The new recruits were put through the stamp-mill of basic training. (The recruits experienced rigorous, crushing training.)