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Definition of Polycythemia
1. Noun. A disorder characterized by an abnormal increase in the number of red blood cells in the blood.
Definition of Polycythemia
1. Noun. (disease) A rare disorder in which the bone marrow produces an abnormally large amount of blood cells, often red blood cells. ¹
¹ Source: wiktionary.com
Definition of Polycythemia
1. [n -S]
Medical Definition of Polycythemia
1. The opposite of anaemia. Too many red blood cells. Polycythemia formally exists when the haemoglobin, red blood cell count, and total rbc volume are all above normal. (12 Dec 1998)