Definition of "phenylephrine"
phenylephrine
/ˌfiː.nʌɪlˈɛf.ɹɪn/
noun
usually uncountable, plural phenylephrines
(medicine, pharmacology) An α-adrenergic receptor agonist related to adrenaline, used as a vasoconstrictor and nasal decongestant; 3-(1-hydroxy-2-methylamino-ethyl)phenol, with the formula C9H13NO2.