/fen'l proh'peuh nol"euh meen', -min/ , n. Pharm.
a substance, C 9 H 13 NO, related to ephedrine and amphetamine, available in various popular nonprescription diet aids as an appetite suppressant. Also called PPA
[ 1945-50; PHENYL + PROPANE + -OL 1 + -AMINE ]