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

The biggest concerns are severe peripheral artery disease (PAD), poor circulation and current or suspected deep vein thrombosis, since compression can further restrict blood flow or dislodge a clot. — Samantha Agate, Sacbee.com, 14 Sep. 2026

People with severe peripheral artery disease or a current or suspected deep vein thrombosis should avoid them because compression can restrict blood flow or dislodge a clot. — Samantha Agate, Fort Worth Star-Telegram, 14 Sep. 2026

Key Takeaways Sitting still for long periods on a flight can slow blood flow in your legs and increase the risk of deep vein thrombosis (DVT). — Kathleen Ferraro, Verywell Health, 5 Aug. 2026

The 22-year-old French phenom was diagnosed with deep vein thrombosis in his right shoulder. — Anna Lazarus Caplan, PEOPLE, 4 Aug. 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