The verb corrode has 2 senses (first 1 from tagged texts)
1. (1) corrode, eat, rust -- (cause to deteriorate due to the action of water, air, or an acid; "The acid corroded the metal"; "The steady dripping of water rusted the metal stopper in the sink")
2. corrode, rust -- (become destroyed by water, air, or an etching chemical such as an acid; "The metal corroded"; "The pipes rusted")