Corrosive substance or slowly over days or years, e.g. the rusting of iron in a bridge. Sometimes the word caustic is used as a synonym for "corrosive", but "caustic" refers only to strong bases, particularly alkalis, and not to acids, oxidizers, or other non-alkaline corrosives. At low concentrations, a corrosive substance is called an irritant, and its effect on living tissue is called irritation. At high concentrations, a corrosive substance causes a chemical burn, a distinct type of tissue damage. Corrosives are different from poisons in that corrosives are immediately dangerous to the tissues they contact, whereas poisons may have systemic toxic
Orlando Magic his option for the 2010–11 season. They did the same for general manager Otis Smith, which would keep him in that position through the 2011–12 season. The Magic were without Rashard Lewis for the first 10 games of the 2009–10 season. Lewis tested positive for an elevated testosterone level that was caused by an over-the-counter supplement containing a substance banned by the league. To make matters worse, Vince Carter suffered a left ankle injury in just the second game of the season. Carter's injury turned out to be not too serious, but caused him to miss the next five games.