(n)barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions, Syn.Seconal, secobarbital, red devil
(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 sodium, Pentothal, thiopentobarbital sodium