furan
/ˈfjʊəræn/noun
mass noun
1- Chemistry a colourless volatile liquid with a planar unsaturated five-membered ring in its molecule【化】呋喃。
1.1
- Chem. formula: C4H4O.化学分子式： C4H4O.
1.2
- count noun any substituted derivative of this呋喃衍生物。
词源
late 19th cent.: from synonymous furfuran.