phenobarbital
phenobarbital, barbiturate drug that became available in 1912, used in medicine as a sedative-hypnotic. See barbiturate.
Citation Information
Article Title:
phenobarbital
Website Name:
Encyclopaedia Britannica
Publisher:
Encyclopaedia Britannica, Inc.
Date Published:
07 April 2026
Access Date:
November 14, 2026