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Definition of Thionaphthene
1. n. A double benzene and thiophene nucleus, C8H6S, analogous to naphthalene, and like it the base of a large series of derivatives.
Definition of Thionaphthene
1. Noun. (organic compound) A two-ringed aromatic heterocycle consisting of a benzene ring fused to one of thiophene; any derivative of this compound ¹
¹ Source: wiktionary.com
Medical Definition of Thionaphthene
1.