The reddish brittle coating formed on the surface of iron esp. when exposed to moisture and air, consisting essentially of hydrated ferric oxide formed by oxidation

The process or result of combining with oxygen to form on oxide

The gradual deterioration of metal by chemical action, as when exposed to weather, moisture, or other corroding agents

A binary compound of oxygen with another element

To coat steel with an anti-corrosive phosphate solution in preparation for the application of paint, enamel, or lacquer