pyrrole

[pi-rohl, pir-ohl] /pɪˈroʊl, ˈpɪr oʊl/
noun, Chemistry
1.
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.
Origin
1825–35; irregular < Greek pyrr(hós) red + -ole
Related forms
pyrrolic
[pi-rol-ik, -roh-lik] /pɪˈrɒl ɪk, -ˈroʊ lɪk/ (Show IPA),
adjective
British Dictionary definitions for pyrrolic
pyrrole (ˈpɪrəʊl, pɪˈrəʊl)
 
n
Also called: azole a colourless insoluble toxic liquid having a five-membered ring containing one nitrogen atom, found in many naturally occurring compounds, such as chlorophyll. Formula: C4H5N
 
[C19: from Greek purrhos red, from pur fire +-ole1]
 
pyrrolic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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pyrrolic in Medicine

pyrrole pyr·role (pēr'ōl')
n.
A five-membered heterocyclic ring compound that has an odor similar to chloroform and is the parent compound of hemoglobin, chlorophyll, and many other complex, biologically active substances. Also called imidole.


pyr·ro'lic (pĭ-rō'lĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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pyrrolic in Science
pyrrole
  (pîr'ōl')   
  1. Any of a class of organic compounds having a five-member ring composed of four carbon atoms and one nitrogen atom. The pyrrole ring structure is a component of many biologically important compounds, including porphyrins, alkaloids, and certain amino acids.

  2. The simplest of this class of compounds, in which a single hydrogen atom is attached to each atom in the ring. It has a pleasant odor similar to that of chloroform. Chemical formula: C4H5N.


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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Rhymes with pyrrolic

Tile value for pyrrolic

15
17
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