0 abbreviation for per- and polyfluoroalkyl substances: artificial chemicals that are used to make many different products, that stay in the environment for a long time and are harmful to the health of people and animals:
Environmental groups urged emergency action to address drinking water contamination due to PFAS.
Manufacturers have agreed to stop using two forms of PFAS in the US.
PFAS chemicals can lead to serious adverse health outcomes in humans.