furanPronunciation: /ˈfjʊəran/Definition of furan noun [mass noun] Chemistry a colourless volatile liquid with a planar unsaturated five-membered ring in its molecule. Chemical formula: C4H4O [count noun] any substituted derivative of furan. Origin: late 19th century: from synonymous furfuranfuran in other Oxford dictionaries Definition of furan in the US English dictionary
