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.
Even short periods of convalescence, from one to three days, increase the likelihood of a condition called deep venous thrombosis, which can cause clots to break loose in the extremities and travel through the bloodstream, passing through the heart and lodging in the lungs. Paul Sisson, San Diego Union-Tribune, 7 Sep. 2025 Barbabella said that there was no evidence of deep vein thrombosis or arterial disease, and that all laboratory testing results were within normal limits. Jenna Sundel gabe Whisnant, MSNBC Newsweek, 2 Sep. 2025 Both Mitchell and Mobley were named All-Stars last season, and Mobley backdoored his way into the Defensive Player of the Year award after San Antonio Spurs wunderkind Victor Wembanyama got shut down after the All-Star break due to deep vein thrombosis. Bryan Toporek, Forbes.com, 31 Aug. 2025 The civil suit, filed Aug. 15 in Milwaukee County Circuit Court, states a lack of informed consent and negligence, specifically the failure to implement deep vein thrombosis prophylaxis, meaning strategies to prevent the formation of blood clots, contributed to his death. Jessica Van Egeren, jsonline.com, 28 Aug. 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 10 Sep. 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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