1. Eaten away as by acid or oxidation
   "The corroded pipes needed immediate replacement"

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