pyrrole
/ˈpɪrəʊl/noun
mass noun
1- Chemistry a weakly basic sweet-smelling liquid compound present in bone oil and coal tar【化】吡咯。
1.1
- A heteroaromatic compound; chem. formula: C4H4NH.芳香杂环化合物; 化学分子式： C4H4NH.
词源
mid 19th cent.: from Greek purrhos 'reddish' + Latin oleum 'oil'.