搗とう鉱こう機きとうこうきMeanings1nounstamp mill; stamping mill; stamp batteryTechnical term in mining and ore processing for a machine that crushes ore by repeated stamping.この鉱こう山ざんでは、搗とう鉱こう機きを使つかって金きん鉱こう石せきを粉ふん砕さいしている。At this mine, they use a stamp mill to crush gold ore.