English Reference

Word

remediation

Phoneticsre·me·di·a·tion

US/ɹɪˌmidiˈeɪʃən/

UK/ɹɪmˌiːdɪˈeɪʃən/

Definition

n. 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.

n. 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.”

Examples

simple

“The company paid for the remediation of the polluted lake.”

contextual

“After the old factory closed, the city began a soil remediation project to make the land safe for a new park.”

complex

“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

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

Real-World Examples

“One treatment, called cognitive remediation , includes exercises to improve mental sharpness.”
The Conversation · 20 Aug 2026
“In 2019, Formosa ended up settling for $50 million to pay for mitigation and remediation projects in the bay, cleaning up plastic and other pollution.”
The Conversation · 3 Aug 2026

Etymology

From remediate + -ion.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domain

Ecology

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

englishreference.com/q/remediation

English Reference