a colorless, pungent, slightly basic liquid, CHN, found in bile pigments, chlorophyll, and hematin, and obtained from coal tar, bone oil, etc.
Origin of pyrrole
German pyrrol from Classical Greek pyrrhos, fiery ( from pyr, fire) + -ol, -olepyrrole
pyr·roleWebster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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pyrrole
noun
- 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 pyrrole
Greek purros red ( from pūr fire ; see pyre. ) -oleRelated Forms:
- pyr·ro′lic
adjective
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"pyrrole." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/pyrrole>.
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pyrrole. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/pyrrole
- 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.
- 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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"pyrrole." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/pyrrole>.
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pyrrole. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/pyrrole
Noun
(plural pyrroles)
- (organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitrogen atom; especially the simplest one, C4H5N.
Origin
pyrrhós, red
English Wiktionary. Available under CC-BY-SA license.
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"pyrrole." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/pyrrole>.
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pyrrole. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/pyrrole
pyrrole - Medical Definition
n.
- 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.
Related Forms:
- pyr·ro′lic (pĭ-rō′lĭk)
adj.
The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"pyrrole." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/pyrrole>.
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pyrrole. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/pyrrole
