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chloral

[klawr-uh l, klohr-] /ˈklɔr əl, ˈkloʊr-/
noun
1.
Also called trichloroacetaldehyde, trichloroacetic acid aldehyde. a colorless, oily liquid, C 2 Cl 3 HO, having a pungent odor, usually derived by the chlorination of ethyl alcohol or of acetaldehyde and combining with water to form chloral hydrate.
2.
Also called chloral hydrate. Pharmacology. a white, crystalline solid, C 2 H 3 Cl 3 O 2 , formed by combining liquid chloral with water: used as a hypnotic.
Origin of chloral
1825-1835
1825-35; chlor-2 + -al3
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for chloral hydrate

chloral hydrate

noun
1.
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: CCl3CH(OH)2

chloral

/ˈklɔːrəl/
noun
1.
a colourless oily liquid with a pungent odour, made from chlorine and acetaldehyde and used in preparing chloral hydrate and DDT; trichloroacetaldehyde
2.
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
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Word Origin and History for chloral hydrate

chloral

n.

colorless liquid formed by the action of chlorine on alcohol, apparently coined by German chemist Justus von Liebig in 1833 from elements from chlorine + alcohol. Later chiefly in chloral hydrate (1874).

Online Etymology Dictionary, © 2010 Douglas Harper
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chloral hydrate in Medicine

chloral hydrate chlo·ral hydrate (klôr'əl)
n.
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.
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