noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A six-membered heterocycle containing four carbon atoms, one nitrogen and one sulfur atom, and two double bonds. countable, uncountable
2. 2
   a compound made up of a ring of four carbon atoms and one sulfur atom and one nitrogen atom wordnet

Etymology

From thia- + azine.

Related phrases

double bond

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