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trichloroacetaldehyde

[trahy-klawr-oh-as-i-tal-duh-hahyd, -klohr-] /traɪˌklɔr oʊˌæs ɪˈtæl dəˌhaɪd, -ˌkloʊr-/
noun, Chemistry
1.
chloral (def 1).
Also called trichloroacetic acid aldehyde.
Origin

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
1825-35; chlor-2 + -al3
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for trichloroacetic acid aldehyde

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
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Word Origin and History for trichloroacetic acid aldehyde

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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