What does "pyrrole" mean?

Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and a nitrogen atom; especially the simplest one, C₄H₅N.

What is a synonym for "pyrrole"?

Common synonyms include: azole, azole.

Pyrrole

//ˈpɪɹəʊl// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
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 […]."

Synonyms

All synonyms

azole azole

Example

More examples

"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 […]."

Etymology

From German Pyrrol, corresponding to Ancient Greek πυρρός (purrhós, “reddish, fiery”) + -ole.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.