# thionaphthene

> English word · Noun

## Definitions
1. A two-ringed aromatic heterocycle consisting of a benzene ring fused to one of thiophene; any derivative of this compound

## Etymology
From thiophene and naphthalene.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/thionaphthene