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

Lillard missed Milwaukee’s final 14 regular-season games due to deep vein thrombosis in his right calf, returned for Game 2 of the Bucks’ first-round playoff series loss to Indiana but tore his Achilles tendon two games later. —ABC News, 12 Apr. 2026

But most senior travelers have a higher risk of swelling and suffering from deep vein thrombosis while flying. —Katie Jackson, Travel + Leisure, 8 Mar. 2026

After last season’s trade, Fox and Wembanyama played only five games together before the 7-foot-4 Frenchman went on the shelf with deep vein thrombosis. —Jeff McDonald, San Antonio Express-News, 6 Mar. 2026

Most often, the clot forms elsewhere — typically in the deep veins of the legs or pelvis — in a condition known as deep vein thrombosis. —Katia Hetter, CNN Money, 18 Feb. 2026

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