Bible Dictionaries
Thionaphthene

Webster's Dictionary

(n.) A double benzene and thiophene nucleus, C8H6S, analogous to naphthalene, and like it the base of a large series of derivatives.

Bibliography Information
Webster, Noah. Entry for 'Thionaphthene'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/thionaphthene.html. 1828.