[mod.L., a. Gr. θρόμβωσις a curdling, f. θρομβοῦσθαι to become curdled or clotted, f. θρόμβος THROMBUS: see -OSIS.] † A coagulation or curdling (obs. rare); spec. Path. a local coagulation of the blood in any part of the vascular system during life, the formation of a thrombus.
1706. Phillips (ed. Kersey), Thrombosis, a congealing, or clotting together of any thing.
1866. A. Flint, Princ. Med. (1880), 28. The causes of thrombosis are, first, changes in the walls of the vessels, and, second, retardation of the circulation.
1891. Lancet, 2 May, 1003/2. In consequence of venous thrombosis in the right lower extremity.
1904. Times, 20 Aug., 5/3. Lady Hampton died at Waresley Court, Wocestershire, yesterday, from an attack of pulmonary thrombosis.
