noun🔗SharePseudoephedrinA sympathomimetic alkaloid commonly used as a decongestant; a chemical compound, an isomer of ephedrine, with the formula C10H15NO."Because of his stuffy nose, Michael went to the pharmacy to buy a cold medicine containing pseudoephedrine. "Wegen seiner verstopften Nase ging Michael in die Apotheke, um ein Erkältungsmittel mit Pseudoephedrin zu kaufen.medicinecompoundsubstancechemistryChat with AIVocabulary GamePractice Reading