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pentobarbital

[pen-tuh-bahr-bi-tawl, -tal] /ˌpɛn təˈbɑr bɪˌtɔl, -ˌtæl/
noun, Pharmacology
1.
a barbiturate, C 1 1 H 1 7 N 2 O 3 , used as a hypnotic and as a sedative.
Origin of pentobarbital
1930-1935
1930-35; pent- + -o- + barbital
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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