paraldehyden.

Brit.

/pəˈraldᵻhʌɪd/, U.S.

/pəˈrældəˌhaɪd/

Forms: 1800s paraldehyd, 1800s– paraldehyde.

Origin: Formed within English, by derivation. Etymons: para- prefix¹, aldehyde n.

Etymology: < para- prefix¹ + aldehyde n.

Chemistry and Pharmacology.

A colourless liquid, (CH₃CHO)₃, which is made by treating ethanal (acetaldehyde), of which it is a cyclic trimer, with acid, and is used medicinally as a hypnotic, sedative, and anticonvulsant.

ΘΚΠ

the world > health and disease > healing > medicines or physic > medicines for specific purpose > sedatives, antispasmodics, etc. > [noun] > hypnotic > specific drugs

codeine1833

codeia1834

chloral1838

paraldehyde1857

hypnone1886

chloralamide1889

sulphonal1889

uralium1889

ural1891

thymacetin1892

chloralose1893

chloretone1899

hedonal1900

veronal1903

Medinal1908

barbitone1914

barbital1919

Sedormid1928

benzodiazepine1934

hexobarbital1941

hexobarbitone1941

glutethimide1955

Placidyl1955

Mogadon1956

chlordiazepoxide1960

nitrazepam1965

flurazepam1968

medazepam1968

lorazepam1969

Rohypnol1971

flunitrazepam1973

triazolam1973

methapyrilene1974

Halcion1975

1857 W. A. Miller Elements Chem. III. 134 A third isomeric body termed paraldehyd, which is liquid, and boils at 257°.

1881 Nature 22 Dec. 191/1 Par-aldehyde has three molecules of aldehyde in its one molecule.

1885 I. Remsen Introd. Study Compounds of Carbon iv. 49 Paraldehyde, C₆H₁₂O₃.—This is formed by adding a few drops of concentrated sulphuric acid to aldehyde.

1896 T. C. Allbutt et al. Syst. Med. I. 242 Paraldehyde produces few special effects other than those procuring sleep.

1963 E. Waugh Let. 26 Nov. (1980) 600 The French do not drink paraldehyde.

1974 R. M. Kirk et al. Surgery ii. 21 Barbiturate or paraldehyde sedation just short of respiratory depression may control the spasms.

1994 New Yorker 18 July 42/2 Treatment is standard, secure, behind the times, nothing occult, containment not cure: paraldehyde and lukewarm baths.

This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).

单词	paraldehyde
释义	paraldehyden. Brit. /pəˈraldᵻhʌɪd/, U.S. /pəˈrældəˌhaɪd/ Forms: 1800s paraldehyd, 1800s– paraldehyde. Origin: Formed within English, by derivation. Etymons: para- prefix¹, aldehyde n. Etymology: < para- prefix¹ + aldehyde n. Chemistry and Pharmacology. A colourless liquid, (CH₃CHO)₃, which is made by treating ethanal (acetaldehyde), of which it is a cyclic trimer, with acid, and is used medicinally as a hypnotic, sedative, and anticonvulsant. ΘΚΠ the world > health and disease > healing > medicines or physic > medicines for specific purpose > sedatives, antispasmodics, etc. > [noun] > hypnotic > specific drugs codeine1833 codeia1834 chloral1838 paraldehyde1857 hypnone1886 chloralamide1889 sulphonal1889 uralium1889 ural1891 thymacetin1892 chloralose1893 chloretone1899 hedonal1900 veronal1903 Medinal1908 barbitone1914 barbital1919 Sedormid1928 benzodiazepine1934 hexobarbital1941 hexobarbitone1941 glutethimide1955 Placidyl1955 Mogadon1956 chlordiazepoxide1960 nitrazepam1965 flurazepam1968 medazepam1968 lorazepam1969 Rohypnol1971 flunitrazepam1973 triazolam1973 methapyrilene1974 Halcion1975 1857 W. A. Miller Elements Chem. III. 134 A third isomeric body termed paraldehyd, which is liquid, and boils at 257°. 1881 Nature 22 Dec. 191/1 Par-aldehyde has three molecules of aldehyde in its one molecule. 1885 I. Remsen Introd. Study Compounds of Carbon iv. 49 Paraldehyde, C₆H₁₂O₃.—This is formed by adding a few drops of concentrated sulphuric acid to aldehyde. 1896 T. C. Allbutt et al. Syst. Med. I. 242 Paraldehyde produces few special effects other than those procuring sleep. 1963 E. Waugh Let. 26 Nov. (1980) 600 The French do not drink paraldehyde. 1974 R. M. Kirk et al. Surgery ii. 21 Barbiturate or paraldehyde sedation just short of respiratory depression may control the spasms. 1994 New Yorker 18 July 42/2 Treatment is standard, secure, behind the times, nothing occult, containment not cure: paraldehyde and lukewarm baths. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < n.1857
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