vasodilator

基本解释

This drug is a vasodilator that increases blood supply and accelerates healing and hair regrowth in most patients.
这一种药物是增加血补给，而且加速的血管扩张神经痊愈和在大部分病人中的头发再生长。
Consequently, the immobile, vasodilator patient in a cold operating room will lose heat unless active measures are taken.
因此，静止且血管扩张的病人在泠的手术室除非积极采取保护措施否则会丢失热量。
dict.cn
Apart from being a stimulant, theobromine is also a vasodilator (widener of blood vessels) and a diuretic.
可可碱除了是一种刺激物外，它还有扩张血管，利尿的功效。

a drug, agent, or nerve that can cause dilatation (vasodilatation) of the walls of blood vessels
causing vasodilatation