脱だつ亜あ鉛えん

noun

dezincification; dezincing

Technical term in metallurgy and corrosion science for the selective removal of zinc from an alloy, especially brass.

• 黄おう銅どうの脱だつ亜あ鉛えんは、海かい水すい環かん境きょうでよく見みられる腐ふ食しょく現げん象しょうです。

  Dezincification of brass is a corrosion phenomenon often seen in seawater environments.