'Thiophthene' definitions:

Definition of 'Thiophthene'

From: GCIDE
  • Thiophthene \Thi*oph"thene\, n. [Abbreviated from thionaphthene.] (Chem.) A double thiophene nucleus, C6H4S2, analogous to thionaphthene, and the base of a large series of compounds. [Written also thiophtene.] [1913 Webster]