12 letters · 16 points in Scrabble
noun dilation of blood vessels (especially the arteries)
originEtymology tree Proto-Italic *wāss Latin vās Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English vaso- English dilation English vasodilation From vaso- + dilation.
Etymology from Wiktionary, CC BY-SA 3.0