Placidyln.
/ˈplasᵻdɪl/, U.S. /ˈplæsəˌdɪl/ Pharmacology (chiefly North American).
The sedative and hypnotic drug ethchlorvynol. Also as a count noun: a dose (in tablet form) of this drug.A proprietary name in the United States and Canada.
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
1955 Official Gaz. (U.S. Patent Office) 29 Nov. tm229/2 Placidyl..for sedative and hypnotic.
1977 Amer. Rev. Respiratory Dis. 116 901 Intravenous injection of ethchlorvynol (Placidyl) causes noncardiogenic pulmonary edema in humans and laboratory animals.
1983 N.Y. Times 7 June c1/5 Dr. Farley was impressed with medical journal articles that left him with the impression that Placidyl was ‘a fantastic, nonaddicting drug’.
1997 B. Wagner I'm losing You 222 Chet found two dusty Placidyls zipped into a weathered shaving kit.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1955