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polycythemia vera

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noun polycythemia ve·ra \-ˈvir-ə\

Definition of polycythemia vera

  1. :  polycythemia of unknown cause that is marked by increase in total blood volume and accompanied by nosebleed, distension of the circulatory vessels, and enlargement of the spleen —called also erythremia



Origin of polycythemia vera

New Latin, true polycythemia


First Known Use: circa 1925


Medical Dictionary

polycythemia vera

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noun polycythemia ve·ra \-ˈvir-ə\

Medical Definition of polycythemia vera

  1. :  chronic polycythemia that is a myeloproliferative disorder of unknown cause characterized by an increase in total blood volume and viscosity and typically accompanied by nosebleed, headache, dizziness, weakness, itchy skin, reddish complexion, distension of the circulatory vessels, and enlargement of the spleen—called also erythremia, erythrocythemia, Vaquez's disease




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