1 vasodilatation | Definition of vasodilatation
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vasodilation

noun
va路​so路​di路​la路​tion | \ 藢v膩-z艒-d墨-藞l膩-sh蓹n How to pronounce vasodilation (audio) , -d蓹-\
variants: or vasodilatation \ 藢v膩-​z艒-​藢di-​l蓹-​藞t膩-​sh蓹n How to pronounce vasodilatation (audio) , -​藢d墨-​l蓹-​ \

Definition of vasodilation

: widening of the lumen of blood vessels

Examples of vasodilation in a Sentence

Recent Examples on the Web

 When your heart rate goes up, your blood vessels begin to expand (vasodilation) to pump more blood around your body. — Jessica Cruel, SELF, "6 Ways Working Out Affects Your Skin," 27 July 2018 For decades to come, migraine pain would be blamed primarily on the dilation of blood vessels (vasodilation) in the brain. — David Noonan, Scientific American, "New Nerve Drugs May Finally Prevent Migraine Headaches," 1 Dec. 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vasodilation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of vasodilation

1908, in the meaning defined above

History and Etymology for vasodilation

vaso(dilator) + dilation or dilatation

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More Definitions for vasodilation

vasodilation

noun
va路​so路​di路​la路​tion | \ 藢v膩-zo-d墨-藞l膩-sh蓹n How to pronounce vasodilation (audio) \
variants: or vasodilatation \ -​藢dil-​蓹-​藞t膩-​sh蓹n How to pronounce vasodilatation (audio) , -​藢d墨-​l蓹-​ How to pronounce vasodilatation (audio) \

Medical Definition of vasodilation

: widening of the lumen of blood vessels

More from Merriam-Webster on vasodilation

Britannica.com: Encyclopedia article about vasodilation

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