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phenylephrine

[fen-l-ef-reen, -rin, feen-]
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noun Pharmacology.
  1. an alpha-adrenergic stimulant, C19H13NO2, used chiefly as a nasal decongestant.
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Origin of phenylephrine

First recorded in 1945–50; phenyl + (epin)ephrine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

phenylephrine in Medicine

phenylephrine

(fĕn′əl-ĕfrēn, fē′nəl-)
n.
  1. An adrenergic drug that is a powerful vasoconstrictor and is used to relieve nasal congestion, dilate the pupils, and maintain blood pressure during anesthesia.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.