thrombosis
n. C1 Advanced US //θɹɑmˈboʊsəs// UK //θɹəmbˈəʊsɪs// throm·bo·sis
n. a medical condition where a blood clot forms inside a blood vessel. This can block the flow of blood and cause serious health problems if it moves to another part of the body.
n. the formation of a blood clot within a blood vessel, obstructing the flow of blood through the circulatory system. Often used in clinical contexts to describe both the clot itself and the resulting condition.
The doctor warned him about the risk of deep vein thrombosis after the long flight.
Patients who sit for long periods without moving are at a higher risk of developing thrombosis in their legs.
From Ancient Greek θρόμβωσις (thrómbōsis, “curdling, clotting”). By surface analysis, thrombus + -osis.