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Meaning of pentobarbital

pen•to•bar•bi•tal

Pronunciation: (pen"tu-bär'bi-tôl", -tal"), [key]
— n. Pharm.
  1. a barbiturate, CHNO, used as a hypnotic and as a sedative.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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