from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of a group of barbituric acid derivatives that act as central nervous system depressants and are used as sedatives or hypnotics.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry Any
saltor esterof barbituric acid.
- noun pharmacology Any of
derivativesof barbituric acidthat act as depressantsof the central nervous systemand are used as sedativesor hypnotics.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun organic compound having powerful soporific effect; overdose can be fatal
from The American Heritage® Dictionary of the English Language, 4th Edition
[barbitur(ic acid) + –ate.]
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