CFK

C3F4K5

A form of CFC

UncommonScrabble 12

Meanings

nounCFK (plural CFKs)

plural CFKs

  1. alternativerarechemistryAlternative form of CFC, a class of molecules containing chlorine, fluorine and carbon atoms

    Sprays demolished by CFKs.

    1990, Stichting tot Bevordering van het Onderzoek in de Economische Wetenschappen, Economic Sciences in the Netherlands, ECOZOEK, page 159
    4 more examples

    Installation for replacing CFKs using Recticel LBL2 technology in the manufacture of insulating plates.

    1989, Commissariaat-Generaal voor de Internationale Samenwerking, Flanders - Issues 1-12, page 6

    For instance, measures taken against computers the chips of which, in some countries, are cleaned with CFKs, thus damaging the ozone layer.

    1996, European Environmental Law Review, volume 5, Graham & Trotman/Martinus Nijhoff, page 50

    Other substances that are environmentally suspect are additives containing chlorine, phthalates, anti-fungals and CFKs. The environmental hazard of additives might become manifest during processing, but are particularly so at the waste stage, when the products are dumped or incinerated.

    1996, Martijntje Smits, Polymer Products And Waste Management: A Multidisciplinary Approach, International Books, →ISBN

    True, its contribution is the largest, but methane and CFKs are very important as well. CFKs, although important, seem to be more or less under control now.

    2013, Kohei Narisada, Duco Schreuder, Light Pollution Handbook, Springer Science & Business Media, →ISBN, page 706

Origin

Generally inserted in English texts by mostly Dutch speakers who assume the initialism for chloorfluorkoolstofverbinding is also CFK in English. As carbon is spelled with a C and koolstof with a K, the initialisms are also different.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry
APA

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

MLA

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

Chicago

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

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