Definition of pyrrole
: a toxic liquid heterocyclic compound C4H5N that has a ring consisting of four carbon atoms and one nitrogen atom, polymerizes readily in air, and is the parent compound of many biologically important substances (such as bile pigments, porphyrins, and chlorophyll); broadly : a derivative of pyrrole
From the M-W Editors
Origin and Etymology of pyrrole
Greek pyrrhos
Medical Dictionary
pyrrole
playMedical Definition of pyrrole
: a toxic liquid heterocyclic compound C4H5N that has a ring consisting of four carbon atoms and one nitrogen atom, polymerizes readily in air, and is the parent compound of many biologically important substances (as bile pigments, porphyrins, and chlorophyll); broadly : a derivative of pyrrole
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Britannica.com: Encyclopedia article about pyrrole
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