This International Standard defines terms relating to corrosion that are widely used in modern science and technology. In addition, some definitions are supplemented with short explanations. NOTE1 Throughout the document IUPAC rules for electrode potential signs are applied. The term “metal?? is also used to include alloys and other metallic materials. NOTE2 Terms and definitions related to inorganic surface treatment of metals are given in ISO2080 . NOTE3 See also the ISO online browsing platform (OBP):