noun Pharmacology.
- a barbiturate, C11H18N2NaO2S, used as an anesthetic in surgery and, in psychiatry, for narcoanalysis and to stimulate recall of past events.
noun
- a barbiturate drug used in medicine as an intravenous general anaesthetic. Formula: C 11 H 17 NaN 2 O 2 SAlso called: Sodium Pentothal See also truth drug
n.
- A yellowish-white hygroscopic powder injected intravenously as a general anesthetic and used in psychotherapy to induce a relaxed state.