| 单词 | pyridine |
| 释义 | Word Frequency pyridine(ˈpɪrɪˌdiːn) noun a colourless hygroscopic liquid with a characteristic odour. It is a basic heterocyclic compound containing one nitrogen atom and five carbon atoms in its molecules and is used as a solvent and in preparing other organic chemicals. Formula: C5H5N Word origin C19: from pyro- + -id3 + -ine2 |
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