ENGLISH
REFERENCE

oxidation

n. uncountable
C1 Advanced US //ˌɑksəˈdeɪʃən// UK //ˌɒksɪdˈeɪʃən// ox·i·da·tion

n. a chemical process where a substance combines with oxygen. You see this when metal turns into rust or when a cut apple turns brown.

n. a chemical reaction involving the loss of electrons by a molecule, atom, or ion, often through the addition of oxygen. Frequently results in the degradation of materials or the release of energy.


SIMPLE

The rust on the old car is caused by oxidation.

CONTEXTUAL

To prevent the oxidation of the sliced fruit, the chef dipped the pieces in lemon juice.

COMPLEX

In cellular respiration, the oxidation of glucose provides the necessary energy for various biological processes to sustain life within the organism.

Synonyms
Origin

From French oxydation, equivalent to oxide + -ation. See oxidate.

Usage

Uncountable in its general chemical sense; can be countable when referring to specific types of oxidative reactions.

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