a colorless, pungent, slightly basic liquid, CHN, found in bile pigments, chlorophyll, and hematin, and obtained from coal tar, bone oil, etc.
Origin of pyrroleGerman pyrrol from Classical Greek pyrrhos, fiery ( from pyr, fire) + -ol, -ole
- A five-membered heterocyclic ring compound, C4H5N, having an odor similar to chloroform, that is the parent compound of protoporphyrin.
- Any of various derivatives of this compound.
Origin of pyrroleGreek purros red ( from pūr fire ; see pyre. ) -ole