Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

n. - Any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or certain drugs.

edit
Usage examples (33)
  • "You have any vasoconstrictor besides the pneumatic ampoule?"
  • The new ingredient is called Phenyleprine, which is a vasoconstrictor.
  • Its all about caffeine being a vasoconstrictor and everything starting to open up when the caffeine gets low.
  • The ingredient in the drops, tetrahydrozaline hydrochloride, is a vasoconstrictor, so it might reduce skin redness too.
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.