blood clot

American  

[bluhd klot] / ˈblʌd ˌklɒt /

noun

1. a mass of coagulated blood, as within a blood vessel or at the site of an open wound.

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blood clot Scientific  

1. See embolism

2. See thrombus

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Etymology

Origin of blood clot

First recorded in 1780–90

Compare meaning

How does blood-clot compare to similar and commonly confused words? Explore the most common comparisons:

• hematoma vs. blood clot

Example Sentences

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

People are driven to "the really extreme negative ones… the ones that people say they had a traumatic experience, the ones where someone had a blood clot," she adds.

From BBC • Apr. 11, 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

Emmy-winning actress Catherine O'Hara, who starred in "Schitt's Creek" and "Home Alone," died from a blood clot in her lungs, her death certificate revealed Monday.

From Barron's • Feb. 9, 2026

The eight-man expedition was pinned down in a ferocious blizzard high on K2, waiting to make an assault on the summit, when a team member named Art Gilkey developed thrombophlebitis, a life-threatening altitude-induced blood clot.

From "Into Thin Air" by Jon Krakauer