noun. any drug or other substance which acts to widen the girth of blood vessels, usually by calming smooth muscle in the arterial walls.

VASODILATOR: "Vasodilators are often utilized for the remediation of high blood pressure and angina pectoris."
Cite this page: N., Pam M.S., "VASODILATOR," in, April 29, 2013, (accessed October 20, 2021).