Furannoun
(organic compound) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms, two double bonds and an oxygen atom; especially the simplest one, C4H4O.
Furannoun
a colorless toxic flammable liquid used in the synthesis of nylon
Furan
Furan is a heterocyclic organic compound, consisting of a five-membered aromatic ring with four carbon atoms and one oxygen atom. Chemical compounds containing such rings are also referred to as furans.
Oxolenoun
(organic compound) furan