General English

  • noun the damage caused to metals, e.g. by the effects of water, air or chemicals

General Science

  • noun erosion of rocks by the action of chemicals or the weather

Cars & Driving

  • noun a chemical process in which a metal is eaten away, such as the oxidation of iron and steel; otherwise known as rusting


  • The oxidation or eating away of a metal or other material by exposure to chemical or electrochemical action such as rust.


  • The gradual disintegration of a metal or alloy as a consequence of chemical reactions with its surrounding environment, such as the oxidation of iron due to the moisture present in air. Corrosion is accelerated by the presence of acids and/or bases.


  • noun a process in which the surface of a material, generally a metal, is changed by the action of moisture, air or a chemical