Thienone
Pronunciation : Thi"?*none
Part of Speech : n.
Etymology : [Thi?nyl + ketone.] (Chem.)
Definition : Defn: A ketone derivative of thiophene obtained as a white crystalline substance, (C4H3S)2.CO, by the action of aluminium chloride and carbonyl chloride on thiophene.
Source : Webster's Unabridged Dictionary, 1913