| picoline | <chemistry> Any one of three isometric bases (C6H7N) related to pyridine, and obtained from bone oil, acrolein ammonia, and coal-tar naphtha, as colourless mobile liquids of strong odour. Synonym: methyl pyridine. Origin: L. Pix, picis, pitch + oleum oil + -ine. Source: Websters Dictionary (01 Mar 1998) |
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| picolines | A group of compounds that are monomethyl derivatives of pyridines. (12 Dec 1998) |
Synonyms : Picoline
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