1) Barbiturate 2) Pentothal 3) Thiopental sodium 4) Thiopentobarbital sodium 5) Truth drug 6) Truth serum 1) Pentothal 
<chemical> A barbiturate that is administered intravenously for the induction of general anaesthesia or for the production of complete anaesthesia of short duration. It is also used for hypnosis and for the control of convulsive states. It has been used in neurosurgical patients to reduce increased intracranial pressure. It does not produce a...
(thi″o-pen´tal) an ultrashort-acting barbiturate, used in the form of the sodium salt as an intravenous anesthetic, to control convulsions produced during inhalation anesthesia, and in psychiatry for narcoanalysis.
[n] - barbiturate that is a hygroscopic powder (trade name Pentothal) that is a strong barbiturate that acts rapidly
thiopental sodium noun 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