单词 | meconic acid |
释义 | meconic acidChemistry noun A crystalline cyclic acid, C7H4O7, a characteristic constituent of opium that is used as an indicator of its presence; 3-hydroxy-γ-pyrone-2,6-dicarboxylic acid. OriginEarly 19th century; earliest use found in Anthony Thomson (1778–1849), physician. |
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