noun🔗SharePyrroleAny of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitrogen atom; especially the simplest one, C4H5N."A chemist explained that pyrrole is a key building block for many important biological molecules like heme, which is found in blood. "Un chimiste a expliqué que le pyrrole est un élément constitutif essentiel de nombreuses molécules biologiques importantes comme l'hème, que l'on trouve dans le sang.compoundsubstancechemistryChat with AIVocabulary GamePractice Reading