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[vas-oh-dil-uh-tey-shuh n, -dahy-luh-, vey-zoh-] /ˌvæs oʊˌdɪl əˈteɪ ʃən, -ˌdaɪ lə-, ˌveɪ zoʊ-/
noun, Physiology.
dilatation of the blood vessels, as by the action of a nerve.
Also, vasodilation
[vas-oh-dahy-ley-shuh n, -di-, vey-zoh-] /ˌvæs oʊ daɪˈleɪ ʃən, -dɪ-, ˌveɪ zoʊ-/ (Show IPA)
Origin of vasodilatation
1895-1900; vaso- + dilatation Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for vasodilatation
Historical Examples
  • We know that when the pulse rate is constant, vasodilatation causes a fall in diastolic pressure and a rise in pulse pressure.

    Arteriosclerosis and Hypertension: Louis Marshall Warfield
vasodilatation in Science
vasodilation (vā'zō-dī-lā'shən, -dĭ-) also vasodilatation
  (vā'zō-dī-lā'shən, -dĭ-)   
Dilation of a blood vessel, as by the action of a nerve or drug.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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