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n.1.(Chem.) A compound similar to sulphonal, used as a hypnotic in medicine.
References in periodicals archive ?
Pour les somniferes, il prenait deja du Trional quand il n'avait pas encore 18 ans.
En plus du Trional, Proust absorbe d'autres somniferes qui sont a deconseiller chez l'asthmatique parce qu'ils depriment les centres respiratoires: "Ces coups de marteau representent la necessite quotidienne de veronal, d'opium, etc .
md 31 to sing on the wrong side of one's mouth, OED mouth 4b 34 Metaphisico-theologo-cosmolonigology, OED possible 2c, 1759q 412 24 Poluostrov Russkiy Zavorot, Russia, 68[degrees]56, 53[degrees]50 31 Hornschuch's pseudocrossidium moss, ITIS plant 33 diethylsulphonemethylethylmethane, OED trional 413 26 Vostochnyy Nokuyevskiy Zaliv, Russia, 68[degrees]22, 38[degrees]31 32 (6-methoxypyridazin-3-yl)sulphanilamide, OED sulpha- 37 you could have knocked me down with a feather, Chambers feather 30 conjunctivodacryocystostomises, from conjunctivodacryocystostomy, books.