[klawr-uh l, klohr-]
- Also called trichloroacetaldehyde, trichloroacetic acid aldehyde. a colorless, oily liquid, C2Cl3HO, having a pungent odor, usually derived by the chlorination of ethyl alcohol or of acetaldehyde and combining with water to form chloral hydrate.
- Also called chloral hydrate. Pharmacology. a white, crystalline solid, C2H3Cl3O2, formed by combining liquid chloral with water: used as a hypnotic.
Origin of chloral
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a colourless crystalline soluble solid produced by the reaction of chloral with water and used as a sedative and hypnotic; 2,2,2-trichloro-1,1-ethanediol. Formula: CCl 3 CH(OH) 2
- a colourless oily liquid with a pungent odour, made from chlorine and acetaldehyde and used in preparing chloral hydrate and DDT; trichloroacetaldehyde
- short for chloral hydrate
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
Word Origin and History for chloral hydrate
Online Etymology Dictionary, © 2010 Douglas Harper
- A crystalline compound used medicinally as a sedative and hypnotic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.