Meanings
nounphenobarb (countable and uncountable, plural phenobarbs)
plural phenobarbs
- informaluncountableThe drug phenobarbital or phenobarbitone.
- countableinformalA tablet of the drug.
Origin
Shortening.
Full word history & related roots →Cite this entry
APA
phenobarb. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/phenobarb
MLA
“phenobarb.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phenobarb. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “phenobarb,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/phenobarb.
Source: phenobarb on Wiktionary, CC BY-SA 4.0.