noun ·Rare ·Advanced level

Definitions

Noun

1. 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.

Synonyms

All synonyms

thienylenethienylene

Etymology

From thio- + phene ("benzene").

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.