Definition of phentermine
: an anorectic drug C10H15N used in the form of its hydrochloride to treat obesity
Origin of phentermine
probably from phenyl + tert- (from tertiary) + amine
First Known Use: 1962
Medical Definition of phentermine
: an anorectic drug administered in the form of its hydrochloride C10H15N·HCl to treat obesity
Learn More about phentermine
Medical Dictionary: Definition of "phentermine"
Seen and Heard
What made you want to look up phentermine? Please tell us where you read or heard it (including the quote, if possible).