# oxidative

/ˌɑksəˈdaɪtɪv/ (US) · /ˈɒksɪdətˌɪv/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/oxidative
Updated: 2026-05-09

## Definition

relating to a chemical process where a substance loses electrons, often by combining with oxygen. It is frequently used to describe how cells get energy or how materials like metal break down.

For teachers: pertaining to or involving oxidation, specifically the loss of electrons by a molecule, atom, or ion. Often describes metabolic processes or chemical degradation.

## Examples

- Oxidative stress can damage cells over time.
- The body uses oxidative metabolism to convert nutrients into energy while releasing carbon dioxide as a byproduct.
- Researchers are investigating how oxidative damage to DNA contributes to the aging process and the development of chronic diseases in elderly populations.

## Usage notes

- Typically used in scientific or medical contexts; often precedes nouns like 'stress', 'damage', or 'metabolism'.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.