noun

oxidation

oxidation

Rust is a form of iron oxidation.

Rust is a form of iron oxidation.

Antioxidants can slow the oxidation process.

Antioxidants can slow the oxidation process.

((of sth.)) the process of a substance combining with oxygen Rust is a form of iron oxidation.

Synonyms: corrosion, rusting

From the verb 'oxidize' plus the suffix '-ation', which denotes a process or state. 'Oxidize' comes from 'oxide'.

Think of 'oxi-' as being related to 'oxygen'. Oxidation is the process of something reacting with oxygen, like when metal rusts.

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