# remediation

/ɹɪˌmidiˈeɪʃən/ (US) · /ɹɪmˌiːdɪˈeɪʃən/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/remediation
Updated: 2026-05-11

## Definition

the process of fixing or cleaning up a problem, especially damage to the environment. It often involves removing pollution or dangerous chemicals from soil or water.

For teachers: the action of reversing or stopping environmental damage, such as pollution or contamination. Often involves the removal of hazardous substances from a site to restore it to a safe state.

## Examples

- The company paid for the remediation of the polluted lake.
- After the old factory closed, the city began a soil remediation project to make the land safe for a new park.
- Environmental remediation of the former industrial site required extensive groundwater filtration and the removal of several tons of heavy-metal-contaminated topsoil before redevelopment could proceed.

## Usage notes

- Often used in technical, legal, or ecological contexts; frequently paired with 'soil', 'water', or 'environmental'.

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