pfas

noun

UK /ˈpiː.fæz/

US /ˈpiː.fæz/

PFAS are human-made chemicals that stay in the environment for a very long time.

Scientists found PFAS in the water near the factory.

SYNONYMS

forever chemicals perfluoroalkyl substances polyfluoroalkyl substances persistent chemicals

RELATED WORDS

pollution contamination chemicals environment water

OTHER MEANINGS

2. A group of synthetic chemicals used to make products resistant to water, grease, and stains.

PFAS are used in non-stick pans and waterproof jackets.

3. Chemicals that can build up in the bodies of people and animals over time.

Health officials warned that PFAS can accumulate in the body.

4. A term used in environmental regulations for a broad class of fluorinated compounds.

The new law sets strict limits on PFAS in drinking water.