This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. That causes vasoconstriction

Same as vasoconstrictor.

n. 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

"Your article failed to mention that GSK's concern related to an unsubstantiated theory being advanced by Dr. Mary Money that these adverse events were due to a direct vasoconstrictive effect on the pulmonary circulation, which could lead to a condition known as primary pulmonary hypertension."

agent   

epinephrine    naphazoline    noradrenaline    ADH    antidiuretic hormone    coldness    norepinephrine    pitressin    cold    adrenaline