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Entry 2 senses · 2 variants Webster, 1913

Vasoconstrictor

· Vas·o·con·strict·or · IPA
01 a. Causing constriction of the blood vessels; as, the vasoconstrictor nerves, stimulation of which causes constriction of the blood vessels to…
  1. 1.
    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.(Physiol.) Also: vasohypertonic
02 n. A substance which causes constriction of the blood vessels. Such substances are used in medicine to raise abnormally low blood pressure.
  1. 1.
    A substance which causes constriction of the blood vessels. Such substances are used in medicine to raise abnormally low blood pressure.(Medicine, Physiology)