Definition of meconic acid in English:

meconic acid

noun

Chemistry
  • 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.

Origin

Early 19th century; earliest use found in Anthony Thomson (1778–1849), physician.