Definition of pyrrole in English:

pyrrole

noun ˈpɪrəʊlˈpɪroʊl

mass nounChemistry

A weakly basic sweet-smelling liquid compound present in coal tar.
〔化〕吡咯
A heteroaromatic compound; chemical formula: C₄H₄NH
Example sentencesExamples
- The Netropsin ligand consists of a guanidinium, two pyrrole, and a propylamidinium part.
- The free-base form of such porphyrins contains two pyrrole nitrogens.
- This step is followed by polymerising pyrrole vapours to produce a foam composite.
- This would make this particular pyrrole group unequivalent with the others.

Origin

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

Definition of pyrrole in US English:

pyrrole

nounˈpɪroʊlˈpirōl

Chemistry

A weakly basic sweet-smelling liquid compound present in bone oil and coal tar.
〔化〕吡咯
A heteroaromatic compound; chemical formula: C₄H₄NH
Example sentencesExamples
- This step is followed by polymerising pyrrole vapours to produce a foam composite.
- The Netropsin ligand consists of a guanidinium, two pyrrole, and a propylamidinium part.
- This would make this particular pyrrole group unequivalent with the others.
- The free-base form of such porphyrins contains two pyrrole nitrogens.

Origin

Mid 19th century: from Greek purrhos ‘reddish’ + Latin oleum ‘oil’.

词汇	pyrrole
释义	Definition of pyrrole in English: pyrrole noun ˈpɪrəʊlˈpɪroʊl mass nounChemistry A weakly basic sweet-smelling liquid compound present in coal tar. 〔化〕吡咯 A heteroaromatic compound; chemical formula: C₄H₄NH Example sentencesExamples The Netropsin ligand consists of a guanidinium, two pyrrole, and a propylamidinium part. The free-base form of such porphyrins contains two pyrrole nitrogens. This step is followed by polymerising pyrrole vapours to produce a foam composite. This would make this particular pyrrole group unequivalent with the others. Origin Mid 19th century: from Greek purrhos 'reddish' + Latin oleum 'oil'. Definition of pyrrole in US English: pyrrole nounˈpɪroʊlˈpirōl Chemistry A weakly basic sweet-smelling liquid compound present in bone oil and coal tar. 〔化〕吡咯 A heteroaromatic compound; chemical formula: C₄H₄NH Example sentencesExamples This step is followed by polymerising pyrrole vapours to produce a foam composite. The Netropsin ligand consists of a guanidinium, two pyrrole, and a propylamidinium part. This would make this particular pyrrole group unequivalent with the others. The free-base form of such porphyrins contains two pyrrole nitrogens. Origin Mid 19th century: from Greek purrhos ‘reddish’ + Latin oleum ‘oil’.
随便看	layn(e lay neck on the block propylon propylons propyls propylthiouracil propylthiouracils propyne propyne proquaestor prora proral pro rata prorate proration proration prorationing prorations pro-reality prorean pro-rector pro-renascent pro re nata prorex prorogate