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paraldehyde

[puh-ral-duh-hahyd]
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noun Chemistry, Pharmacology.
  1. 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

First recorded in 1855–60; par- + aldehyde
Also called paracetaldehyde.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for paraldehyde

paraldehyde

noun
  1. 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

paraldehyde in Medicine

paraldehyde

(pə-răldə-hīd′)
n.
  1. 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.