thrombosis

noun

throm·​bo·​sis thräm-ˈbō-səs How to pronounce thrombosis (audio)
thrəm-
plural thromboses thräm-ˈbō-ˌsēz How to pronounce thrombosis (audio)
thrəm-
: the formation or presence of a blood clot within a blood vessel
thrombotic adjective

Examples of thrombosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Though very unlikely, prolonged sitting also increases the risk of deep vein thrombosis (DVT), a rare and potentially serious condition where a blood clot forms in a deep vein, usually in the legs. Meghan Overdeep, Southern Living, 8 July 2025 Plus blood clots, also called deep vein thrombosis (DVT), can be a serious risk for some long-distance travelers, according to the U.S. Centers for Disease Control and Prevention. Jill Schildhouse, Forbes.com, 11 June 2025 Brandon Ingram was sidelined on March 9, 2019 after team doctors found a deep venous thrombosis in his arm. Shane Young, Forbes, 21 Feb. 2025 These simple precautions can reduce the risk of discomfort and even more serious conditions like deep vein thrombosis on extended flights. Iona Brannon, Travel + Leisure, 1 June 2025 See All Example Sentences for thrombosis

Word History

Etymology

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

First Known Use

1857, in the meaning defined above

Time Traveler
The first known use of thrombosis was in 1857

Browse Nearby Words

Cite this Entry

“Thrombosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thrombosis. Accessed 18 Jul. 2025.

Kids Definition

thrombosis

noun
throm·​bo·​sis thräm-ˈbō-səs How to pronounce thrombosis (audio)
plural thromboses -ˈbō-ˌsēz How to pronounce thrombosis (audio)
: the formation or presence of a blood clot within a blood vessel

Medical Definition

thrombosis

noun
throm·​bo·​sis thräm-ˈbō-səs, thrəm- How to pronounce thrombosis (audio)
plural thromboses -ˌsēz How to pronounce thrombosis (audio)
: the formation or presence of a blood clot within a blood vessel see coronary thrombosis, deep vein thrombosis

More from Merriam-Webster on thrombosis

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