— pyrrolic /pi rol"ik, -roh"lik/ , adj.
/pi rohl", pir"ohl/ , n. Chem.
a colorless, toxic, liquid, five-membered ring compound, C 4 H 5 N, that is a component of chlorophyll, hemin, and many other important naturally occurring substances.
[ 1825-35; irreg. pyrr ( hós ) red + -OLE ]