vasodilatation: Meaning and Definition of

vas•o•dil•a•ta•tion

Pronunciation: (vas"ō-dil"u-tā'shun, -dī"lu-, vā"zō-), [key]
— n. Physiol.
  1. dilatation of the blood vessels, as by the action of a nerve.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.