Vasoconstrictor
Pronunciation : Vas`o*con*strict"or
Part of Speech : a.
Definition : Defn: 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. n.
Defn: A substance which causes constriction of the blood vessels. Such substances are used in medicine to raise blood pressure.
(Physiol.)
Source : Webster's Unabridged Dictionary, 1913