WordWeb Online

1. Eaten away as by acid or oxidation

1. Cause to deteriorate due to the action of water, air, or an acid
   "The acid corroded the metal";
   - eat, rust
    
2. Become destroyed by water, air, or a corrosive such as an acid
   "The metal corroded";
   - rust

See also: unsound

Type of: crumble, damage, decay, dilapidate

Encyclopedia: Corroded