Definitions for vasodilatorˌvæs oʊ daɪˈleɪ tər, -dɪ-, -ˈdaɪ leɪ-, ˌveɪ zoʊ-
Random House Webster's College Dictionary
vas•o•di•la•torˌvæs oʊ daɪˈleɪ tər, -dɪ-, -ˈdaɪ leɪ-, ˌveɪ zoʊ-(n.)
any of various agents, as certain nerves or drugs, that relax or widen blood vessels and thereby maintain or lower blood pressure.
Category: Pharmacology, Physiology
Origin of vasodilator:
1880–85
vas`o•di•la′tive(adj.)
Princeton's WordNet
vasodilator, vasodilative(noun)
a drug that causes dilation of blood vessels
Wiktionary
vasodilator(Noun)
A drug or chemical agent that causes dilation of the blood vessels thereby reducing blood pressure.
Webster Dictionary
Vasodilator(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
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