paraldehyde

paraldehyde
[pəˈraldɪhʌɪd]
noun
  1. [mass noun](Chemistry)a liquid made by treating acetaldehyde with acid, used medicinally as a sedative, hypnotic, and anticonvulsant
    (化)三聚乙醛
  2. A cyclic trimer of acetaldehyde; chem. formula: (CH3CHO)3
    醋醛的循环三分子缩合物；化学分子式：(CH3CHO)3
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