Definición de furan en inglés:

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Pronunciación: /ˈfjʊəran/


[mass noun] Chemistry
1A colourless volatile liquid with a planar unsaturated five-membered ring in its molecule.
  • Chemical formula: C4H4O.
Oraciones de ejemplo
  • Furfural reacts with phenols, ketones, and esters as an aldehyde; removal of the aldehyde group yields furan, which is converted to tetrahydrofuran, used in the manufacture of nylon.
  • Cycloadditon of one of the double bonds on either the furan or the pyrone ring of a psoralen molecule forms a monoadduct.
  • Several studies have demonstrated that only the 5-nitrofurans are mutagenic and that derivatives with the nitro group outside the furan ring do not show mutagenic activity.
1.1 [count noun] Any substituted derivative of furan.
Oraciones de ejemplo
  • According to Marcocchio, and the World Health Organization, dioxins are linked to cancer, birth defects and auto-immune problems, while furans are chemically similar but slightly less toxic.
  • Dioxins, and furans, are chemical compounds generated as by-products of most forms of combustion, particularly of plastics and rubber.
  • This argument was presented in a modified form to the effect that the system of monitoring for dioxins and furans (other objectionable organic pollutants) was unreasonable and contrary to Articles 2 and 8 of the Convention.


Late 19th century: from synonymous furfuran.

For editors and proofreaders

Saltos de línea: furan

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