Definitions

blood clot

[bluhd klot] / ˈblʌd ˌklɒt /

NOUN

mass of thickened blood

Synonyms

WEAK

coagulum crassamentum embolism embolus grume thrombus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But across the country, families — first in smatterings, now in droves — are declining the single, inexpensive injection given at birth to newborns to help their blood clot.

From Salon • May 7, 2026

Wembanyama’s career seemed to be in jeopardy, as doctors had discovered a blood clot in his shoulder that forced him to miss the season’s last two months.

From The Wall Street Journal • Apr. 16, 2026

Earlier research has shown that shingles infections can trigger blood clot formation near the brain and heart, increasing the risk of heart attacks, strokes and venous thromboembolism.

From Science Daily • Mar. 20, 2026

"I had a blood clot that was restricting blood and oxygen getting to my brain," he told the newspaper.

From BBC • Mar. 1, 2026

That is when a blood clot blocks one of the blood vessels taking blood to the muscles in the heart.

From "The Curious Incident of the Dog in the Night-Time" by Mark Haddon