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 (ăm′ō-bär′bĭ-tăl′, -bĭ-tôl′)
A barbiturate, C11H18N2O3, used as a sedative and a hypnotic.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌæməʊˈbɑːbɪtəl; ˌeɪməʊ-)
(Pharmacology) pharmacol a drug with sedative, hypnotic, and analgesic properties used to relieve insomnia and control convulsions
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌæm oʊˈbɑr bɪˌtæl, -ˌtɔl)

a colorless, crystalline barbiturate, C11H18N2O3, used chiefly as a sedative.
[1945–50; am (yl) + -o- + barbital]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.amobarbital - a barbiturate with sedative and hypnotic effects; used to relieve insomnia and as an anticonvulsant
amobarbital sodium, Amytal, blue angel, blue devil, blue - the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic
barbiturate - organic compound having powerful soporific effect; overdose can be fatal
truth drug, truth serum - an intravenous anesthetic drug that has a hypnotic effect; induces relaxation and weakens inhibitions; is believed to induce people to talk freely
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.