| Main Entry: | fen-phen |
| Part of Speech: | n |
| Definition: | a former prescription diet drug of fenfluramine hydrochloride or dexfenfluramine combined with phentermine, and now banned; also called phen-fen |
| Etymology: | 1994-99; fenfluramine + phentermine |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
fen-phen (fěn'fěn)
n.
A combination of two drugs, fenfluramine hydrochloride and phentermine, formerly prescribed for weight loss.