[thahy-uh-pen-tl, -tal, -tawl, thahy-]
a barbiturate, C11H18N2NaO2S, used as an anesthetic in surgery and, in psychiatry, for narcoanalysis and to stimulate recall of past events.
Origin of thiopental sodium
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A yellowish-white hygroscopic powder injected intravenously as a general anesthetic and used in psychotherapy to induce a relaxed state.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.