English dictionary
vasoconstrictor
/,v/&/s/oU/k/@/n'str/I/kt/@/r/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
adjective
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Causing constriction of the blood vessels; as, the <i>vasoconstrictor</i> nerves, stimulation of which causes constriction of the blood vessels to which they go. These nerves are also called <i>vasohypertonic</i>.
Source: webster1913
noun
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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 vasopressin or certain drugs; maintains or increases blood pressure
Source: WordNet 3.0