thrombosis

noun throm·bo·sis \ thräm-ˈbō-səs , thrəm- \

Updated on: 4 Apr 2018

Definition of thrombosis

plural thromboses play \thräm-ˈbō-ˌsēz, thrəm-\

: the formation or presence of a blood clot within a blood vessel

—

thrombotic

play \thräm-ˈbä-tik, thrəm-\ adjective

See thrombosis defined for English-language learners

See thrombosis defined for kids

Recent Examples of thrombosis from the Web

According to a post-mortem report posted in the Coroner's website, Feldstein, 40, suffered from a condition detailed as pulmonary thromboembolism and deep leg vein thrombosis, another type of blood clot.

— gil kaufman, Billboard, "Maroon 5 Manager Jordan Feldstein's Cause of Death Revealed," 19 Mar. 2018
The data-collection modules are used on patients with a variety of diseases, from cancer and multiple sclerosis to Parkinson's disease and deep-vein thrombosis.

— peter krouse, cleveland.com, "First 10 startups make pitch for time at Plug and Play in Cleveland," 1 Mar. 2018
These clots, called venous thromboembolisms, include blockages known as DVTs (deep vein thrombosis), which typically start in the legs and can travel to the lungs, raising a person's odds for stroke.

— healthday, chicagotribune.com, "Tall people more likely to develop dangerous blood clots in veins," 6 Sep. 2017
The blood clot may start in an arm or leg, known as deep venous thrombosis, and detach and travel to the lungs, which can be deadly.

— matt velazquez, Milwaukee Journal Sentinel, "Bucks brace for Mirza Teletovic's indefinite absence due to pulmonary emboli," 15 Dec. 2017
His laboratory work has had major implications for scientific understanding of thrombosis — the coagulation or clotting of the blood in a part of the circulatory system.

— bonnie l. cook, Philly.com, "Dr. Alan D. Schreiber, 75, physician-scientist who headed research lab at Penn," 3 Oct. 2017
Beatrice was suffering from deep vein thrombosis, a condition that occurs when blood flowing through veins in the calf and thigh unexpectedly clots and obstructs the flow of blood to the rest of the body.

— nisarg a. patel, Slate Magazine, "Arizona Already Tried What the GOP Wants to Do to Medicaid. It Was a Disaster.," 22 June 2017
A private autopsy conducted for Holland’s family went further, linking the embolism to deep vein thrombosis, the likely result of a blood clot in the leg caused by long immobility.

— paige st. john, latimes.com, "Naked, filthy and strapped to a chair for 46 hours: a mentally ill inmate's last days," 24 Aug. 2017
That, in turn, can promote the formation of pulmonary embolisms (lung blood clots like Bilo’s) or deep vein thrombosis (leg clots).

— marie mccullough, Philly.com, "New mom Kate Bilo's blood clots highlight a risk of childbirth," 26 June 2017

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

Origin and Etymology of thrombosis

New Latin, from Greek thrombōsis clotting, from thrombousthai to become clotted, from thrombos clot

NEW! Time Traveler

First Known Use: 1857

See Words from the same year

THROMBOSIS Defined for English Language Learners

thrombosis

noun

Definition of thrombosis for English Language Learners

medical : a serious condition caused when a blood clot blocks the flow of blood in a blood vessel

Medical Dictionary

thrombosis

noun throm·bo·sis \ thräm-ˈbō-səs, thrəm- \

medical Definition of thrombosis

plural thromboses play \-ˌsēz\

: the formation or presence of a blood clot within a blood vessel — see coronary thrombosis, deep vein thrombosis

Learn More about thrombosis

See words that rhyme with thrombosis Spanish Central: Translation of thrombosis Britannica.com: Encyclopedia article about thrombosis

Seen and Heard

What made you want to look up thrombosis? Please tell us where you read or heard it (including the quote, if possible).

show

thrombosis

Definition of thrombosis

thrombotic

Recent Examples of thrombosis from the Web

Origin and Etymology of thrombosis

THROMBOSIS Defined for English Language Learners

thrombosis

Definition of thrombosis for English Language Learners

Medical Dictionary

thrombosis

medical Definition of thrombosis

Learn More about thrombosis

Seen and Heard

WORD OF THE DAY

bloviate

BROWSE DICTIONARY

Test Your Vocabulary

Words at Play

Words from Letters in the Greek Alphabet

'Preventive' or 'Preventative'?

Words We're Watching: 'Bluebeard,' the Verb

Where 'Cliff-hangers' Come From

Ask the Editors

2017 Word of the Year: Behind the Scenes

Words of the Year: 1066

Literally

Is Singular 'They' a Better Choice?

Word Games

Odd Habits and Quirks Quiz

More Confusing Words—Quiz

Name That Thing

Dictionary Devil

Going Greek: 7 Words from the Greek Alphabet

'Preventive' or 'Preventative'?

Odd Habits and Quirks Quiz

Trending: Trump: Den of Thieves and 'Lowlifes'

2017 Word of the Year: Behind the Scenes

thrombosis

Definition of thrombosis

thrombotic

Recent Examples of thrombosis from the Web

Origin and Etymology of thrombosis

THROMBOSIS Defined for English Language Learners

thrombosis

Definition of thrombosis for English Language Learners

Medical Dictionary

thrombosis

medical Definition of thrombosis

Learn More about thrombosis

Seen and Heard

Love words? Need even more definitions?

Love words? Need even more definitions?

Words at Play

Ask the Editors

Word Games

Going Greek: 7 Words from the Greek Alphabet

'Preventive' or 'Preventative'?

Odd Habits and Quirks Quiz

Trending: Trump: Den of Thieves and 'Lowlifes'

2017 Word of the Year: Behind the Scenes