# thiophene

> English word · Noun

## Definitions
1. Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a sulfur atom; especially the simplest one, C₄H₄S.

## Etymology
From thio- + phene ("benzene").

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