a substance, C9H13NO, related to ephedrine and amphetamine, available in various popular nonprescription diet aids as an appetite suppressant.
Origin of phenylpropanolamine
Also called PPA
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ppa
Historical Examples of ppa
Ppa is a true Zui word, signifying "elder brother," as distinguished from s-e, "younger brother."Original Narratives of Early American History
Vaca and Others
An adrenergic drug that acts as a vasoconstrictor and is used as a nasal decongestant, a bronchodilator, an appetite suppressant, and a mild stimulant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.