throm·​bo·​sis | \ thräm-ˈbō-səs How to pronounce thrombosis (audio) , thrəm-\
plural thromboses\ thräm-​ˈbō-​ˌsēz How to pronounce thromboses (audio) , thrəm-​ \

Definition of thrombosis

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

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Other Words from thrombosis

thrombotic \ thräm-​ˈbä-​tik How to pronounce thrombotic (audio) , thrəm-​ \ adjective

Examples of thrombosis in a Sentence

Recent Examples on the Web

Brandon Ingram, however, faces an even greater uncertainty after his 2018-19 season ended early due to deep venous thrombosis, a complication from blood clotting with potentially life-changing implications. Rob Mahoney,, "Top 100 NBA Players of 2020," 12 Sep. 2019 However, some recent research has explored a link between varicose veins and potentially dangerous vascular conditions like deep venous thrombosis. Wire Service, The Mercury News, "Woman pecked to death by rooster," 6 Sep. 2019 The concern for many passengers is not crashing but instead health risks like deep vein thrombosis, a type of blood clot. Jay L. Zagorsky, The Conversation, "Why would anyone want to sit on a plane for over 18 hours? An economist takes the world’s longest flight," 28 Aug. 2019 Right-handed closer Scott Oberg, the team’s most consistent pitcher this season, was put on the 10-day injured list Sunday with axillary artery thrombosis (blood clots) in his right arm. Patrick Saunders, The Denver Post, "Rockies’ Scott Oberg, suffering from a blood clot in right arm, out for season," 18 Aug. 2019 Ingram, a 21-year-old third-year pro, averaged 18.3 points per game this season but his year was cut short by deep vein thrombosis. Andrew Lopez,, "Anthony Davis traded to the Los Angeles Lakers for 3 players, multiple picks," 15 June 2019 He was diagnosed with deep vein thrombosis in March. Brett Martel,, "Lakers acquire Anthony Davis from the Pelicans in a deal that includes Lonzo Ball, Brandon Ingram and 3 first-round picks," 15 June 2019 He was diagnosed with deep vein thrombosis in March. Washington Post, "AP Source: Lakers, Pelicans, agree on Anthony Davis trade," 15 June 2019 That something is usually a blood clot that, after forming in your legs (this is called deep vein thrombosis), broke off and traveled to your lungs. Korin Miller, SELF, "When to See a Doctor About That Weird Chest Tightness," 15 Aug. 2018

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.

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First Known Use of thrombosis

1857, in the meaning defined above

History and Etymology for thrombosis

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

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Statistics for thrombosis

Last Updated

18 Sep 2019

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Time Traveler for thrombosis

The first known use of thrombosis was in 1857

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English Language Learners Definition of thrombosis

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


throm·​bo·​sis | \ thräm-ˈbō-səs, thrəm- How to pronounce thrombosis (audio) \
plural thromboses\ -​ˌsēz How to pronounce thromboses (audio) \

Medical Definition of thrombosis

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

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Rhyming Dictionary: Words that rhyme with thrombosis

Spanish Central: Translation of thrombosis Encyclopedia article about thrombosis

Comments on thrombosis

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


to make a temporary encampment

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