phenobarbital Hear it!

phenobarbital definition

pheno·bar·bi·tal (fē′nə bär′bi tôl′, -tal′)

noun

a white, odorless, crystalline barbiturate, CHNO, used as a sedative, sleeping pill, or anticonvulsant

Etymology: pheno- + 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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