vasodilator

noun

va·​so·​di·​la·​tor ˌvā-zō-dī-ˈlā-tər  -ˈdī-ˌlā- 

: 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

Beetroot powder is rich in nitrates, which the body converts to nitric oxide—a vasodilator that widens blood vessels. —Lindsay Curtis, Verywell Health, 11 Feb. 2025

Rosemary is a vasodilator, according to VeryWell Health, which can improve blood flow — this has led researchers to believe the ingredient stimulates hair follicles and improves scalp health. —Rachel Raposas, People.com, 12 Dec. 2024

Alcohol is a vasodilator, which causes blood vessels to expand and can lead to a temporary flushing of the skin (especially on your face). —Sanjana Ray, Glamour, 12 Dec. 2024

Nitric oxide is a vasodilator that enlarges blood vessels, allowing more oxygen to be delivered to muscles. —Amy Brownstein, Ms, Rdn, Verywell Health, 31 Oct. 2024

Minoxidil is a vasodilator, whereas finasteride is a 5a-reductase inhibitor.23 Minoxidil is an over-the-counter (OTC) topical product for males and females to apply to the scalp.43 Minoxidil also has a tablet form, which is used for high blood pressure. —Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 3 Oct. 2024

Some examples of natural vasodilators include:95 Ginger Ginkgo biloba Glycine propionyl-L-carnitine (GPLC) L-arginine L-citrulline Nitric oxide Turmeric These substances and others can have a vasodilatory effect, but controlling the exact amount of vasodilation can be challenging. —Christopher Lee, Verywell Health, 14 Aug. 2024

If that doesn’t work, then maybe a beta blocker is used to reduce heart activity, or a vasodilator to control the diameter of vessels. —Bryant Stamford, The Courier-Journal, 25 Jan. 2024

Analgesics dull sensation, anti-inflammatories inhibit irritation, and vasodilators and anticoagulants keep the blood flowing. —Richard S. Ostfeld, STAT, 31 July 2023

Word History

Etymology

vaso- + dilator, after French vaso-dilateur

First Known Use

1881, in the meaning defined above

Medical Definition

vasodilator

1 of 2 noun

va·​so·​di·​la·​tor ˌvā-zō-ˈdī-ˌlāt-ər 

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

vasodilator

2 of 2 adjective

variants also vasodilatory

-ˈdil-ə-ˌtōr-ē, -ˈdī-lə-, -ˌtȯr- 

: relating to, inducing, or initiating vasodilation

a drug with a vasodilator effect