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pyrrole
pyr·role
[
pí rl
]
noun
Definition:
naturally occurring chemical:
a colorless toxic liquid compound containing carbon, hydrogen, and nitrogen. Source: biological substances such as chlorophyll, hemoglobin, and bile pigments. C
4
H
5
N
[
Mid-19th century. < Greek
purros
"fiery red" <
pur
"fire"
]
pyr·ro·lic
[
pi róllik
]
adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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