noun🔗SharePyrrolAny 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. "Ein Chemiker erklärte, dass Pyrrol ein wichtiger Baustein für viele wichtige biologische Moleküle wie Häm ist, das im Blut gefunden wird.compoundsubstancechemistryChat with AIVocabulary GamePractice Reading