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A colorless liquid polymer, C6H12O3, of acetaldehyde, used as a solvent and a sedative.


(Elements & Compounds) 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


(pəˈræl dəˌhaɪd)

a colorless liquid compound, C6H12O3, produced by polymerization of acetaldehyde, used in medicine as a rapidly acting sedative and hypnotic.
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Noun1.paraldehyde - a colorless liquid (a cyclic trimer of acetaldehyde) that is used as a sedative and a solvent
aldehyde - any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids


nParaldehyd nt
References in periodicals archive ?
In the latter study, the large neurons were the ones staining stronger both with paraldehyde fuchsin and against serotonin, which is in accordance with the present observation in neurons of Scrobicularia plana.
The inmate of Kirkdale Homes was believed to have drunk toxic paraldehyde while at Walton Hospital.
Waugh switched medication from chloral and bromide to paraldehyde after his Pinfold episode; he risked depression by combining it with alcohol.
All other contraindications for disulfiram therapy such as (i) subjects receiving or have recently received alcohol, or alcoholcontaining preparations such as cough syrups, elixirs (ii) hypersensitivity to disulfiram or other thiuram derivatives used in the manufacture of items such as pesticides or vulcanized rubber, (iii) concomitant treatment with cefaperazone, chlorpropamide, metronidazole, paraldehyde, nitrofurantoin, griseofulvin, tolbutamide, desipramine, amitriptyline, isoniazid, phenytoin, phenlybutazone, and sulphonylurea class of hypoglycemic agents and (iv) allergy to disulfiram
In the centuries prior to 1882 when the first synthetic anticonvulsant drug, paraldehyde, became available, the people of central Europe depended mainly on plants to treat epileptic seizures.
He suggested a comprehensive premedication of rectal chloretone * or paraldehyde in olive oil, followed 30 minutes later by an injection of morphine and atropine.