# vasodilation

> English word · Noun · frequency rank #91,118

## Definitions
1. Dilation or widening of the blood vessels.

## Etymology
From vaso- + dilation.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/vasodilation