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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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n. - Any agent that causes a narrowing of an opening of a blood vessel:

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Usage examples (2)
  • Case mothers were more than four times as likely as control-group mothers to report use of at least one vasoconstrictive recreational drug before pregnancy.
  • When her blood pressure and pupillary response were normal, the next things we looked at were room humidity, air filtration, and aromatherapy, if you will, with eucalyptus oil,...
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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.