oxidation

/ˌɑksɪˈdeɪʃən/
noun
  1. The process of a substance combining with oxygen, or losing electrons in a chemical reaction.
    • Rust is a common result of oxidation on iron.
    • Burning wood is a form of rapid oxidation.
    • The oxidation of food can make it spoil faster.
  2. Damage to cells in the body caused by harmful molecules, often linked to aging and disease.
    • Eating berries can help reduce oxidation in your cells.
    • Sunlight can cause oxidation in skin cells, leading to wrinkles.
    • Exercise increases oxidation, but antioxidants help protect your body.
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