Definitions

1. noun

A five-membered heterocyclic aromatic organic compound, especially a ring of five carbon atoms with one nitrogen atom.

“The compound in the lab was a pyrrole derivative with significant chemical properties.”

2. noun

A class of compounds in the benzene series, characterized by the presence of a five-membered nitrogen-containing ring.

“Pyrroles are significant in the study of organic chemistry and aromatic compounds.”