pentobarbital sodium Hear it!

pentobarbital sodium definition

pento·bar·bi·tal· sodium (pen′tō bär′bi tôl′, -täl′)

an odorless, white, crystalline powder, CHNONa, soluble in water: used in medicine as a sedative, hypnotic, and analgesic

Etymology: pento- for penta- (because of methylbutyl five-carbon group) + barbital

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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