thrombosis UK /θɹɒmˈbəʊsɪs/US /θɹɑmˈboʊsɪs/ noun1 •The formation of thrombi in the blood vessels of a living organism, causing obstruction of the circulation.“Humbert Humbert,” their author, had died in legal captivity, of coronary thrombosis, on November 16, 1952, a few days before his trial was scheduled to start. — 1955 formsthromboses
