noun🔗SharePyridineAny of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and an nitrogen atom; especially the simplest one, C5H5N."The chemistry student learned that pyridine is a common solvent used in many chemical reactions. "L'étudiant en chimie a appris que la pyridine est un solvant courant utilisé dans de nombreuses réactions chimiques.compoundchemistrysubstanceChat with AIVocabulary GamePractice Reading