Translation guide
A stamp mill is a machine used to crush ore or other materials by repeatedly dropping heavy stamps. In Japanese, this is a technical term with a few specific equivalents.
A machine that crushes ore using heavy stamps, typically in mining.
The most direct loanword from English, widely understood in technical contexts.
At this mine, they use a stamp mill to crush gold ore.
A native Japanese term for a stamp mill, literally 'ore-pounding machine'. Used in mining and metallurgy.
A general term for a crusher or pulverizer. Not specific to stamp mills, but can be used in context.
Stamp mill is a specialized term. In everyday conversation, you might describe it as 「鉱石を砕く機械」(こうせきをくだくきかい, a machine that crushes ore).
Stamp mills were widely used in 19th-century gold mines.
この粉砕機は鉱石を細かく砕く。
This crusher breaks ore into fine pieces.