vasodilation

noun

va·​so·​di·​la·​tion ˌvā-zō-dī-ˈlā-shən 

-də-

variants or vasodilatation

ˌvā-zō-ˌdi-lə-ˈtā-shən 

-ˌdī-lə-

: widening of the lumen of blood vessels

Examples of vasodilation in a Sentence

Recent Examples on the Web

This may be due to its positive effects on vasodilation, which is when blood vessels (tubes that carry blood) widen. —Lauren O'Connor, Health, 1 Sep. 2025

This method widens the blood vessels (vasodilation), improves circulation, reduces stiffness and eases tension before a workout. —Novant Health, Charlotte Observer, 6 June 2025

That topical product will use a substance that causes vasodilation or the widening of blood vessels. —Erin Brodwin, Axios, 24 Mar. 2025

The heat exposure from a sauna induces vasodilation, improves circulation, and reduces blood pressure, mimicking some effects of aerobic exercise. —Kailey Asetov, Sacramento Bee, 24 Feb. 2025

Word History

Etymology

vaso(dilator) + dilation or dilatation

First Known Use

1908, in the meaning defined above

Rhymes for vasodilation

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

Medical Definition

vasodilation

noun

va·​so·​di·​la·​tion ˌvā-zo-dī-ˈlā-shən 

variants or vasodilatation

-ˌdil-ə-ˈtā-shən  -ˌdī-lə- 

: widening of the lumen of blood vessels