| meconic | Pertaining to, or obtained from, the poppy or opium; specif. <chemistry> Designating an acid related to aconitic acid, found in opium and extracted as a white crystalline substance. Origin: Gr. Belonging to the poppy, fr. The poppy: cf. F. Meconique. Source: Websters Dictionary (01 Mar 1998) |
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| meconic acid | 3-Hydroxy-4-oxy-4H-pyran-2,6-dicarboxylic acid;obtained from opium; it forms soluble salts (meconates) with many of the alkaloids of opium. (05 Mar 2000) |