Oxidation (noun)

1. The process of combining with oxygen, typically resulting in rust or corrosion.
2. The process of adding oxygen atoms to a compound or element.

Origin:

Derived from the latin word "oxidatio" which means "oxidation".

Examples:

1. The iron railings were showing signs of oxidation.
2. The oxidation process in the battery caused it to stop working.
3. The food was preserved by preventing oxidation.
4. The oxidation of the oil caused it to become rancid.
5. The oxidation of the metal caused it to weaken.