noun🔗SharePseudoefedrinaA 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. "Debido a su nariz congestionada, Michael fue a la farmacia a comprar un medicamento para el resfriado que contenía pseudoefedrina.medicinecompoundsubstancechemistryChat with AIVocabulary GamePractice Reading