单词 | picoline |
释义 | picoline/ˈpɪkəliːn/(also picolin) Chemistry noun Each of three colourless, pungent-smelling, liquid bases, (CH3)C5H4N, that are isomeric methyl derivatives of pyridine and are obtained from coal tar, bone oil, etc.; specifically the α-isomer (2-methylpyridine). OriginMid 19th century. From classical Latin pic-, pix pitch + -ol + -ine. Compare German Picolin. |
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