Definition: pentothal

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Source: WordNet (r) 1.7 

Pentothal
     n : barbiturate that is a hygroscopic powder (trade name
         Pentothal) that is a strong barbiturate that acts
         rapidly; induces a relaxed state when injected as a
         general anesthetic [syn: thiopental, thiopental sodium,
          thiopentobarbital sodium, Pentothal]