[bahr-bi-tawl, -tal]
noun Pharmacology.
a barbiturate compound, C 7 O 3 N 2 H 12 , formerly used as a hypnotic.

1915–20; barbit(uric acid) + (Veron)al Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
barbitone or (US) barbital (ˈbɑːbɪˌtəʊn, ˈbɑːbɪˌtæl)
a long-acting barbiturate used medicinally, usually in the form of the sodium salt, as a sedative or hypnotic
[C20: from barbit(uric acid) + -one]
barbital or (US) barbital
[C20: from barbit(uric acid) + -one]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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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Example sentences for barbital
Barbital was then marketed by bayer under the trade name veronal.
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