Furan
/ˈfjʊə.ɹæn/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 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.
- 2 a colorless toxic flammable liquid used in the synthesis of nylon wordnet
Etymology
From furfural + -an.