| 释义 |
paraldehyde Chem.|pəˈrældɪhaɪd|
[para-1 2 a.]
A polymer of aldehyde, C6H12O3, a colourless liquid at ordinary temperatures; used as a narcotic and as a remedy against insomnia.
1857Miller Elem. Chem. III. 134 A third isomeric body termed paraldehyd, which is liquid, and boils at 257°. 1881Capt. Abney in Nature XXV. 191/1 Par-aldehyde has three molecules of aldehyde in its one molecule. 1885I. Remsen Org. Chem. (1888) 49. 1896 Allbutt's Syst. Med. I. 242 Paraldehyde produces few special effects other than those procuring sleep. |