Definition of pyridine in English:

pyridine

noun ˈpɪrɪdiːnˈpɪrəˌdin

mass nounChemistry

A colourless volatile liquid with an unpleasant odour, present in coal tar and used chiefly as a solvent.
〔化〕吡啶，吡嘧，氮（杂）苯
A heteroaromatic compound; chemical formula: C₅H₅N
Example sentencesExamples
- Plant IDHs differ in the pyridine nucleotide they use as co-substrate and also in their localization in the cell.
- The structure of niacinamide consists of a pyridine ring with an amide group in position three.
- The heme b content was quantified by the pyridine hemochrome method.
- This is a pyridine silver method described by Ranson in 1911 for impregnating unmyelinated nerve fibers.
- The folic acid pathway provides the essential precursor molecule, pyridine thymidylate, needed in DNA biosynthesis.

Origin

Mid 19th century: from Greek pur 'fire' + -ide + -ine⁴.

Definition of pyridine in US English:

pyridine

nounˈpirəˌdēnˈpɪrəˌdin

Chemistry

A colorless volatile liquid with an unpleasant odor, present in coal tar and used chiefly as a solvent.
〔化〕吡啶，吡嘧，氮（杂）苯
A heteroaromatic compound; chemical formula: C₅H₅N
Example sentencesExamples
- The structure of niacinamide consists of a pyridine ring with an amide group in position three.
- The heme b content was quantified by the pyridine hemochrome method.
- The folic acid pathway provides the essential precursor molecule, pyridine thymidylate, needed in DNA biosynthesis.
- This is a pyridine silver method described by Ranson in 1911 for impregnating unmyelinated nerve fibers.
- Plant IDHs differ in the pyridine nucleotide they use as co-substrate and also in their localization in the cell.

Origin

Mid 19th century: from Greek pur ‘fire’ + -ide + -ine.

词汇	pyridine
释义	Definition of pyridine in English: pyridine noun ˈpɪrɪdiːnˈpɪrəˌdin mass nounChemistry A colourless volatile liquid with an unpleasant odour, present in coal tar and used chiefly as a solvent. 〔化〕吡啶，吡嘧，氮（杂）苯 A heteroaromatic compound; chemical formula: C₅H₅N Example sentencesExamples Plant IDHs differ in the pyridine nucleotide they use as co-substrate and also in their localization in the cell. The structure of niacinamide consists of a pyridine ring with an amide group in position three. The heme b content was quantified by the pyridine hemochrome method. This is a pyridine silver method described by Ranson in 1911 for impregnating unmyelinated nerve fibers. The folic acid pathway provides the essential precursor molecule, pyridine thymidylate, needed in DNA biosynthesis. Origin Mid 19th century: from Greek pur 'fire' + -ide + -ine⁴. Definition of pyridine in US English: pyridine nounˈpirəˌdēnˈpɪrəˌdin Chemistry A colorless volatile liquid with an unpleasant odor, present in coal tar and used chiefly as a solvent. 〔化〕吡啶，吡嘧，氮（杂）苯 A heteroaromatic compound; chemical formula: C₅H₅N Example sentencesExamples The structure of niacinamide consists of a pyridine ring with an amide group in position three. The heme b content was quantified by the pyridine hemochrome method. The folic acid pathway provides the essential precursor molecule, pyridine thymidylate, needed in DNA biosynthesis. This is a pyridine silver method described by Ranson in 1911 for impregnating unmyelinated nerve fibers. Plant IDHs differ in the pyridine nucleotide they use as co-substrate and also in their localization in the cell. Origin Mid 19th century: from Greek pur ‘fire’ + -ide + -ine.
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