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pyrrole

Syllabification: (pyr·role)
Pronunciation: /ˈpirˌōl/
Definition of pyrrole

noun

Chemistry
  • a weakly basic sweet-smelling liquid compound present in bone oil and coal tar.
    • A heteroaromatic compound; chemical formula: C4H4NH

Origin:

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

pyrrole in other Oxford dictionaries

Definition of pyrrole in the British & World English dictionary
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