Definition of pyrrole in English:

pyrrole

Syllabification: pyr·role
Pronunciation: /ˈpirōl
 
/

noun

Chemistry
A weakly basic sweet-smelling liquid compound present in bone oil and coal tar.
  • A heteroaromatic compound; chemical formula: C4H4NH
More example sentences
  • This step is followed by polymerising pyrrole vapours to produce a foam composite.
  • The free-base form of such porphyrins contains two pyrrole nitrogens.
  • The Netropsin ligand consists of a guanidinium, two pyrrole, and a propylamidinium part.

Origin

mid 19th century: from Greek purrhos 'reddish' + Latin oleum 'oil'.

Definition of pyrrole in:

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Word of the day abjure
Pronunciation: abˈjo͝or
verb
solemnly renounce (a belief, cause, or claim)