VASODILATION By N., Pam M.S. - April 29, 2013 noun. widening of blood vessels, through the functioning of a vasomotor nerve or a medicine, that has the impact of decreasing blood pressure. VASODILATION: "Vasodilation can only be beneficial to the patient's condition at this point." Related Psychology Terms VASOCONSTRICTOR VASOPRESSIN VASOCONSTRICTION VASOMOTOR ANGIOSCOTOMA VASOPRESSOR TYRAMINE CARDIOVASCULAR (CV) THROMBOSIS CALCIUM-CHANNEL BLOCKCRS Cite this page: N., Pam M.S., "VASODILATION," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/vasodilation/ (accessed October 17, 2019).