Thiophene
Pronunciation : Thi"o*phene
Part of Speech : n.
Etymology : [Thio- + phenyl + -ene.] (Chem.)
Definition : Defn: A sulphur hydrocarbon, C4H4S, analogous to furfuran and benzene, and acting as the base of a large number of substances which closely resemble the corresponding aromatic derivatives.
Source : Webster's Unabridged Dictionary, 1913