a combining form meaning “vessel,” used in the formation of compound words: vasoconstrictor.
- Also especially before a vowel, vas-.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use vaso- in a sentence
The first that concerns us is the existence of the vaso-motor centre, whose situation and functions have been already described.
Direct stimulation of the vaso-motor nerves, alone, as has been said, contracts the blood-vessels.
Severing the same part causes paralysis of the vaso-motor nerves and dilatation of the blood-vessels.
We spent many days with Vaso, shooting with indifferent results, but revelling in the glories of nature.The Land of the Black Mountain | Reginald Wyon
His teaching in regard to mental and nervous disorders due to vaso-motor disturbance also deserves recognition.Chapters in the History of the Insane in the British Isles | Daniel Hack Tuke
British Dictionary definitions for vaso-
indicating a blood vessel: vasodilator
indicating the vas deferens: vasectomy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012