鉱こう滓さいダム

noun

tailings dam

Technical term used in mining and civil engineering for a dam that stores mining waste (tailings).

• 鉱こう滓さいダムの決けっ壊かいは深しん刻こくな環かん境きょう汚お染せんを引ひき起おこす。

  A tailings dam failure causes serious environmental pollution.