pyridine
/ˈpɪrɪdiːn/noun
mass noun
1- Chemistry 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。
1.1
- A heteroaromatic compound; chem. formula: C5H5N.芳香杂环化合物; 化学分子式： C5H5N.
词源
mid 19th cent.: from Greek pur 'fire' + -IDE + -INE4.