vasodilator

noun
va·​so·​di·​la·​tor | \ ˌvā-zō-dī-ˈlā-tər How to pronounce vasodilator (audio) , -ˈdī-ˌlā- How to pronounce vasodilator (audio) \

Definition of vasodilator

: an agent (such as a parasympathetic nerve fiber or a drug) that induces or initiates vasodilation

Examples of vasodilator in a Sentence

Recent Examples on the Web Sponges also have cells called pinacocytes that contract in unison like muscle cells to squeeze the animal and expunge waste or unwanted debris; pinacocytes have some sensory machinery that responds to nitric oxide, a vasodilator. Quanta Magazine, 4 Nov. 2021 In addition to helping prevent forward-head posture, inhaling through your nose expresses nitric oxide, a natural vasodilator that increases oxygenation. Dana Santas, CNN, 23 June 2021 These characteristics are likely to lower hypertension, the study said, as hypertensionmay be caused by underproduction of vasodilators that help blood flow, and thickening arteries. Kristen Rogers, CNN, 23 Apr. 2020 Manganese is a vasodilator with anti-oxidative properties that helps to improve blood flow to the brain as well as fight free-radicals. Adele Jackson-gibson, Good Housekeeping, 3 Feb. 2020 Instead, a growing pile of studies suggested that CGRP was not just a vasodilator, but a previously unknown, pain-signaling neurotransmitter. Emily Underwood, Science | AAAS, 18 May 2018

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

See More

First Known Use of vasodilator

1881, in the meaning defined above

History and Etymology for vasodilator

vaso- + dilator, after French vaso-dilateur

Learn More About vasodilator

Time Traveler for vasodilator

Time Traveler

The first known use of vasodilator was in 1881

See more words from the same year

Dictionary Entries Near vasodilator

vasodilation

vasodilator

vasoganglion

See More Nearby Entries 

Statistics for vasodilator

Cite this Entry

“Vasodilator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vasodilator. Accessed 27 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for vasodilator

vasodilator

noun
va·​so·​di·​la·​tor | \ ˌvā-zō-ˈdī-ˌlāt-ər How to pronounce vasodilator (audio) \

Medical Definition of vasodilator

 (Entry 1 of 2)

: an agent (as a parasympathetic nerve fiber or a drug) that induces or initiates vasodilation

vasodilator

adjective
variants: also vasodilatory \ -​ˈdil-​ə-​ˌtōr-​ē, -​ˈdī-​lə-​, -​ˌtȯr-​ How to pronounce vasodilator (audio) \

Medical Definition of vasodilator (Entry 2 of 2)

: relating to, inducing, or initiating vasodilation a drug with a vasodilator effect

More from Merriam-Webster on vasodilator

Britannica.com: Encyclopedia article about vasodilator

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!