from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun 2-(1-naphthylmethyl)-2-imidazoline hydrochloride, a sympathomimetic agent used as a vasoconstrictor.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun vasoconstrictor (trade names Privine and Sudafed) used in nasal sprays to treat symptoms of nasal congestion and in eyedrops to treat eye irritation


Sorry, no etymologies found.


  • Vasoconstrictors, such as naphazoline, phenylephrine, oxymetazoline, and tetrahydrozoline, act as a temporary solution for the short-term relief of the vascular injection and redness.

    Allergic Conjunctivitis Treatment


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