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pentobarbital

[pen-tuh-bahr-bi-tawl, -tal]
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noun Pharmacology.
  1. a barbiturate, C11H17N2O3, used as a hypnotic and as a sedative.

Origin of pentobarbital

1930–35; pent- + -o- + barbital
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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