1. vasotonic - Noun
2. vasotonic - Adjective
vasotonic (comparative more vasotonic, superlative most vasotonic)
Affecting the tone of vessels (almost always with reference to blood vessels); that is, affecting the muscle tone of the smooth muscle in the walls of blood vessels, thus influencing blood flow within the lumen.
vasotonic (plural vasotonics)
A substance (especially a drug) that is vasotonic, usually with reference to a drug that modifies the tone of vessel walls, such as a vasopressor or a phlebotonic.