- a colorless, liquid, cyclic compound, C6H12O3, having a disagreeable taste but an agreeable odor, produced by the polymerization of acetaldehyde with sulfuric acid: used chiefly in the manufacture of organic chemicals and in medicine as a sedative and hypnotic.
Origin of paraldehyde
Also called paracetaldehyde.
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Examples from the Web for paraldehyde
An ounce of this mixture contains forty-five grains of paraldehyde.
Recently, paraldehyde has been employed as a substitute for chloral.
For this reason it is possible to determine the freezing point curves of acetaldehyde and paraldehyde.The Phase Rule and Its Applications
For the same reason the use of paraldehyde in such cases is quite inadmissable.
The substance investigated was acetaldehyde, C2H4O, in its relation to paraldehyde, a polymeric modification.
- a colourless liquid substance that is a cyclic trimer of acetaldehyde: used in making dyestuffs and as a hypnotic and anticonvulsant drug. Formula: (C 2 H 4 O) 3
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- A potent hypnotic and sedative suitable for oral, rectal, intravenous, and intramuscular administration.paracetaldehyde
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.