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单词 paraldehyde
释义

WordReference Random House Unabridged Dictionary of American English © 2024
par•al•de•hyde  (pə ral′də hīd′),USA pronunciation n. [Chem., Pharm.]
  1. Chemistry, Drugsa colorless, liquid, cyclic compound, C6H12O3, having a disagreeable taste but an agreeable odor, produced by the polymerization of acetaldehyde with sulfuric acid: used chiefly in the manufacture of organic chemicals and in medicine as a sedative and hypnotic. Also called paracetaldehyde. 
  • par- + aldehyde 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::
paraldehyde /pəˈrældɪˌhaɪd/ n
  1. a colourless liquid substance that is a cyclic trimer of acetaldehyde: used in making dyestuffs and as a hypnotic and anticonvulsant drug. Formula: (C2H4O)3
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更新时间：2024/11/10 17:20:29