Noun thiopental sodium has 1 sense
  1. thiopental, thiopental sodium, thiopentobarbital sodium, Pentothal - 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
    --1 is a kind of barbiturate; truth serum, truth drug
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