phenylephrine

Blend of phenyl +‎ epinephrine.

• (Received Pronunciation) IPA^(key): /ˌfiː.nʌɪlˈɛf.ɹɪn/, /ˌfɛn.ɪlˈɛf.ɹɪn/, /ˌfiː.nʌɪlˈɛf.ɹiːn/, /ˌfɛn.ʌɪlˈɛf.ɹiːn/
• (General American) IPA^(key): /ˌfɛn.əlˈɛf.ɹiːn/, /ˌfɛn.əlˈɛf.ɹɪn/

• Audio (General American):

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phenylephrine (usually uncountable, plural phenylephrines)

1. (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.

• phenylephedrine

• “phenylephrine”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
• “phenylephrine”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.