Definitions for vasoconstrictorˌvæs oʊ kənˈstrɪk tər, ˌveɪ zoʊ-
Random House Webster's College Dictionary
vas•o•con•stric•torˌvæs oʊ kənˈstrɪk tər, ˌveɪ zoʊ-(n.)
any of various agents, as certain nerves or drugs, that narrow blood vessels and thereby maintain or increase blood pressure.
Category: Pharmacology, Physiology
Origin of vasoconstrictor:
1875–80
vas`o•con•stric′tive(adj.)
Princeton's WordNet
vasoconstrictor, vasoconstrictive, pressor(noun)
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
Wiktionary
vasoconstrictor(Noun)
Any substance that causes vasoconstriction
Webster Dictionary
Vasoconstrictor(adj)
causing constriction of the blood vessels; as, the vasoconstrictor nerves, stimulation of which causes constriction of the blood vessels to which they go. These nerves are also called vasohypertonic
Vasoconstrictor(noun)
a substance which causes constriction of the blood vessels. Such substances are used in medicine to raise blood pressure
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