Definitionen
1.NounA degradation process in vegetable-tanned leather, caused by humidity, environmental pollution, and high temperature, and resulting in a powdery surface and structural weakness.
2.NounThe chemical dezincification of brass alloys, where the zinc in the brass leaches out and leaves behind fragile or powdery copper metal.
3.NounA disease of sugar cane caused by the fungus Glomerella tucumanensis.