| amobarbital | (n) a barbiturate with sedative and hypnotic effects; used to relieve insomnia and as an anticonvulsant |
| amobarbital sodium | (n) the sodium salt of amobarbital that is used as a barbiturate; used as a sedative and a hypnotic, Syn. Amytal, blue devil, blue angel, blue |
| barbital | (n) a barbiturate used as a hypnotic, Syn. diethylbarbituric acid, veronal, diethylmalonylurea, barbitone |
| mephobarbital | (n) a long-acting crystalline barbiturate (trade name Mebaral) used as a sedative and as an anticonvulsant in the treatment of epilepsy, Syn. Mebaral |
| pentobarbital sodium | (n) a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic, Syn. yellow jacket, Nembutal, pentobarbital |
| secobarbital sodium | (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 |
| sodium thiopental | (n) a long-acting barbiturate used as a sedative, Syn. purple heart, phenobarbital, phenobarbitone, Luminal |
| thiopental | (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 |