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Pronunciation varies by accent · noun
(organic chemistry, especially in combination) Any perfluoro derivative of an alkyl group..
Perfluoroalkyl and polyfluoroalkyl substances (PFASs) have been manufactured since the 1950s for use as surface protectants for textiles and leather treatment, as protection additives in food packaging and paper products, and in firefighting foams.
Michael S. Regan, the administrator of the E.P.A., said the government intends to require near-zero levels of perfluoroalkyl and polyfluoroalkyl substances, part of a class of chemicals known as known as PFAS.
Use perfluoroalkyl when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Perfluoroalkyl means (organic chemistry, especially in combination) Any perfluoro derivative of an alkyl group..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Perfluoroalkyl and polyfluoroalkyl substances (PFASs) have been manufactured since the 1950s for use as surface protectants for textiles and leather treatment, as protection additives in food packaging and paper products, and in firefighting foams.
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