pyrrole
English
Etymology
From (deprecated template usage) [etyl] German Pyrrol, corresponding to (deprecated template usage) [etyl] Ancient Greek πυρρός (purrhós, “reddish, fiery”) + -ole.
Pronunciation
- Lua error in Module:parameters at line 291: Parameter 1 should be a valid language or etymology language code; the value "UK" is not valid. See WT:LOL and WT:LOL/E. IPA(key): /ˈpɪɹəʊl/
Noun
pyrrole (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. [from 19th c.]
- 1998, Georgina Ferry, Dorothy Hodgkin: A Life:
- 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 […].
- 1998, Georgina Ferry, Dorothy Hodgkin: A Life:
Synonyms
Derived terms
Translations
any of a class of aromatic heterocyclic compounds