thrombosis

noun

throm·​bo·​sis thräm-ˈbō-səs 

thrəm-

plural thromboses thräm-ˈbō-ˌsēz 

thrəm-

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

thrombotic

thräm-ˈbä-tik 

thrəm-

adjective

Examples of thrombosis in a Sentence

Recent Examples on the Web

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

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

Phrases Containing thrombosis

• coronary thrombosis

Rhymes for thrombosis

• cirrhosis
• fibrosis
• gliosis
• hypnosis
• ichthyosis
• ketosis
• kurtosis
• lordosis
• meiosis
• miosis
• mitosis
• mycosis

Kids Definition

thrombosis

noun

throm·​bo·​sis thräm-ˈbō-səs 

plural thromboses -ˈbō-ˌsēz 

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

Medical Definition

thrombosis

noun

throm·​bo·​sis thräm-ˈbō-səs, thrəm- 

plural thromboses -ˌsēz 

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