noun
polycythemia; polycythaemia; polyglobulia
Medical term for an abnormally high concentration of red blood cells in the blood. Used in clinical contexts.
多血症の患者は、血液が濃くなりすぎるため、血栓ができやすくなることがあります。
Patients with polycythemia may be prone to blood clots because their blood becomes too thick.