Phenobarbital (noun) Definition, Meaning & Examples

noun Pharmacology.
  1. a white, crystalline powder, C12H12N2O3, used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
noun
  1. a white crystalline derivative of barbituric acid used as a sedative for treating insomnia and as an anticonvulsant in epilepsy. Formula: C 12 H 12 N 2 O 3
    Phenobarbital (noun) Definition, Meaning & Examples

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