adj causing dilation or relaxation of the blood vessels; as, the vasodilator nerves, stimulation of which causes dilation of the blood vessels to which they go. these nerves are also called vaso-inhibitory, and vasohypotonic nerves, since their stimulation causes relaxation and rest.
VASODILATOR
Meaning of VASODILATOR in English
Webster English vocab. Английский словарь Webster. 2012