PFOS

P3F4O1S1

A form of perfluorooctane sulfonate — Any salt or ester of perfluorooctanesulfonic acid.

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Meanings

PFOS1

nounPFOS (uncountable)
  1. abbreviationuncountableAbbreviation of perfluorooctane sulfonate.

    The new maximum contaminant level goal for PFOA and PFOS — a non-enforceable, health-based goal — will be zero.

    2024 April 10, Jen Christiensen, “Biden administration sets first national standard to limit ‘forever chemicals’ in drinking water”, in CNN
    1 more example

    PFOS is moderately water soluble, non-volatile, and thermally stable. The potassium salt of PFOS has a reported mean solubility of 680 mg/L in pure water.

    2006, Ronald A. Hites, Persistent Organic Pollutants in the Great Lakes, Springer Science & Business Media, →ISBN, page 398

PFOs2

noun
  1. pluralplural of PFO

Synonyms & antonyms

Also see
perfluorooctane sulfonateperfluorooctanesulfonic acid

Rhymes & wordplay

Anagrams

fops
Cite this entry
APA

PFOS. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/PFOS

MLA

“PFOS.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/PFOS. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “PFOS,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/PFOS.

Source: PFOS on Wiktionary, CC BY-SA 4.0.