/ Dictionary / Index P phenylpropanolamine: Meaning and Definition of Find definitions for: phen•yl•pro•pan•ol•a•mine Pronunciation: (fen"l-prō"pu-nol'u-mēn", -min), [key] — n. Pharm. a substance, CHNO, related to ephedrine and amphetamine, available in various popular nonprescription diet aids as an appetite suppressant. Also called&hasp; Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phenylpropanolamine (Thesaurus) phenyl methyl ketone phenylpropyl acetate Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language