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/ˈpɪɹəʊl/ · noun
(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..
The way the red crystals absorbed light suggested that the molecule might contain a porphyrin-like structure, a flat ring made up of four smaller rings called pyrroles […].
Use pyrrole when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pyrrole means (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..
Common synonyms include azole.
The opposite depends on the specific sense.
The way the red crystals absorbed light suggested that the molecule might contain a porphyrin-like structure, a flat ring made up of four smaller rings called pyrroles […].
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