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[bahr-bi-tawl, -tal] /ˈbɑr bɪˌtɔl, -ˌtæl/
noun, Pharmacology
a barbiturate compound, C 7 O 3 N 2 H 12 , formerly used as a hypnotic.
Origin of barbital
1915-20; barbit(uric acid) + (Veron)al Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for barbital
  • barbital was then marketed by bayer under the trade name veronal.
British Dictionary definitions for barbital


a long-acting barbiturate used medicinally, usually in the form of the sodium salt, as a sedative or hypnotic
Word Origin
C20: from barbit(uric acid) + -one
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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barbital in Medicine

barbital bar·bi·tal (bär'bĭ-tôl', -tāl')
A white crystalline barbiturate used as a sedative and hypnotic, especially in the form of its soluble salt, sodium barbital.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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