Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pentobarbital
1 sense of pentobarbital
Sense 1
pentobarbital sodium, pentobarbital, Nembutal, yellow jacket -- (a barbiturate (trade name Nembutal) used as a sedative and hypnotic and antispasmodic)
=> barbiturate -- (organic compound having powerful soporific effect; overdose can be fatal)