'Thienone' definitions:

Definition of 'Thienone'

From: GCIDE

Thienone \Thi"e*none\, n. [Thienyl + ketone.] (Chem.) A ketone derivative of thiophene obtained as a white crystalline substance, (C4H3S)2.CO, by the action of aluminum chloride and carbonyl chloride on thiophene. [1913 Webster]