'C4H4S' definitions:

Definition of 'C4H4S'

From: GCIDE

Thiophene \Thi"o*phene\, n. [Thio- + phenyl + -ene.] (Chem.) 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. [1913 Webster]