vasoconstriction

noun

va·​so·​con·​stric·​tion ˌvā-zō-kən-ˈstrik-shən 

: narrowing of the lumen of blood vessels

Examples of vasoconstriction in a Sentence

Recent Examples on the Web

It was determined Megan had suffered from extreme exhaustion, dehydration, vasoconstriction, and low metabolic levels. —Jami Ganz, New York Daily News, 27 Apr. 2026

Doctors ultimately identified extreme exhaustion, dehydration, vasoconstriction and low metabolic levels as the cause of her symptoms. —Lexi Carson, HollywoodReporter, 1 Apr. 2026

In addition to promoting wakefulness, cortisol triggers vasoconstriction (narrowing of blood vessels), contributing to morning surges.6 What Influences Fluctuations? —Md Published, Verywell Health, 26 Feb. 2026

Your blood vessels narrow in a process called vasoconstriction to conserve heat. —Alyssa Ages, Outside, 22 Feb. 2026

Word History

Etymology

vaso- + constriction, after French vaso-constriction

First Known Use

1899, in the meaning defined above

Rhymes for vasoconstriction

• bronchoconstriction
• magnetostriction
• addiction
• affliction
• constriction
• conviction
• depiction
• eviction
• infliction
• nonfiction
• prediction
• restriction

Medical Definition

vasoconstriction

noun

va·​so·​con·​stric·​tion -kən-ˈstrik-shən 

: narrowing of the lumen of blood vessels especially as a result of vasomotor action