"CFK" meaning in English

See CFK in All languages combined, or Wiktionary

Noun

Forms: CFKs [plural]
Etymology: 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. Head templates: {{en-noun}} CFK (plural CFKs)
  1. (organic chemistry, rare) Alternative form of CFC, a class of molecules containing chlorine, fluorine and carbon atoms Wikipedia link: chlorofluorocarbon Tags: alt-of, alternative, rare Alternative form of: CFC (extra: a class of molecules containing chlorine, fluorine and carbon atoms) Categories (topical): Chlorine, Fluorine, Organic chemistry

Inflected forms

Download JSON data for CFK meaning in English (3.6kB)

{
  "etymology_text": "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.",
  "forms": [
    {
      "form": "CFKs",
      "tags": [
        "plural"
      ]
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  "head_templates": [
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      "args": {},
      "expansion": "CFK (plural CFKs)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a class of molecules containing chlorine, fluorine and carbon atoms",
          "word": "CFC"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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            "Entry maintenance"
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          "source": "w"
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        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chlorine",
          "orig": "en:Chlorine",
          "parents": [
            "Halogens",
            "Chemical elements",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
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            "Fundamental"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Fluorine",
          "orig": "en:Fluorine",
          "parents": [
            "Halogens",
            "Chemical elements",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1989, Commissariaat-Generaal voor de Internationale Samenwerking, Flanders - Issues 1-12, page 6",
          "text": "Installation for replacing CFKs using Recticel LBL2 technology in the manufacture of insulating plates.",
          "type": "quotation"
        },
        {
          "ref": "1990, Stichting tot Bevordering van het Onderzoek in de Economische Wetenschappen, Economic Sciences in the Netherlands, ECOZOEK, page 159",
          "text": "Sprays demolished by CFKs.",
          "type": "quotation"
        },
        {
          "ref": "1996, European Environmental Law Review, volume 5, Graham & Trotman/Martinus Nijhoff, page 50",
          "text": "For instance, measures taken against computers the chips of which, in some countries, are cleaned with CFKs, thus damaging the ozone layer.",
          "type": "quotation"
        },
        {
          "ref": "1996, Martijntje Smits, Polymer Products And Waste Management: A Multidisciplinary Approach, International Books",
          "text": "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.",
          "type": "quotation"
        },
        {
          "ref": "2013, Kohei Narisada, Duco Schreuder, Light Pollution Handbook, Springer Science & Business Media, page 706",
          "text": "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.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of CFC, a class of molecules containing chlorine, fluorine and carbon atoms"
      ],
      "id": "en-CFK-en-noun-UjyYzXd-",
      "links": [
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        [
          "chlorine",
          "chlorine"
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        [
          "fluorine",
          "fluorine"
        ],
        [
          "carbon",
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        ],
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          "atom",
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      "raw_glosses": [
        "(organic chemistry, rare) Alternative form of CFC, a class of molecules containing chlorine, fluorine and carbon atoms"
      ],
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        "alt-of",
        "alternative",
        "rare"
      ],
      "topics": [
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      "wikipedia": [
        "chlorofluorocarbon"
      ]
    }
  ],
  "word": "CFK"
}
{
  "etymology_text": "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.",
  "forms": [
    {
      "form": "CFKs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "CFK (plural CFKs)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
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          "extra": "a class of molecules containing chlorine, fluorine and carbon atoms",
          "word": "CFC"
        }
      ],
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        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
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        "English words without vowels",
        "en:Chlorine",
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      ],
      "examples": [
        {
          "ref": "1989, Commissariaat-Generaal voor de Internationale Samenwerking, Flanders - Issues 1-12, page 6",
          "text": "Installation for replacing CFKs using Recticel LBL2 technology in the manufacture of insulating plates.",
          "type": "quotation"
        },
        {
          "ref": "1990, Stichting tot Bevordering van het Onderzoek in de Economische Wetenschappen, Economic Sciences in the Netherlands, ECOZOEK, page 159",
          "text": "Sprays demolished by CFKs.",
          "type": "quotation"
        },
        {
          "ref": "1996, European Environmental Law Review, volume 5, Graham & Trotman/Martinus Nijhoff, page 50",
          "text": "For instance, measures taken against computers the chips of which, in some countries, are cleaned with CFKs, thus damaging the ozone layer.",
          "type": "quotation"
        },
        {
          "ref": "1996, Martijntje Smits, Polymer Products And Waste Management: A Multidisciplinary Approach, International Books",
          "text": "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.",
          "type": "quotation"
        },
        {
          "ref": "2013, Kohei Narisada, Duco Schreuder, Light Pollution Handbook, Springer Science & Business Media, page 706",
          "text": "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.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of CFC, a class of molecules containing chlorine, fluorine and carbon atoms"
      ],
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        ],
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          "CFC",
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        [
          "chlorine",
          "chlorine"
        ],
        [
          "fluorine",
          "fluorine"
        ],
        [
          "carbon",
          "carbon"
        ],
        [
          "atom",
          "atom"
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      ],
      "raw_glosses": [
        "(organic chemistry, rare) Alternative form of CFC, a class of molecules containing chlorine, fluorine and carbon atoms"
      ],
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        "alt-of",
        "alternative",
        "rare"
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      ],
      "wikipedia": [
        "chlorofluorocarbon"
      ]
    }
  ],
  "word": "CFK"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-06 from the enwiktionary dump dated 2024-05-02 using wiktextract (f4fd8c9 and c9440ce). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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