polycythemia
noun Etymology: New Latin, from poly- + cyt- + -hemia Date: circa 1857 a condition marked by an abnormal increase in the number of circulating red blood cells; specifically polycythemia verapolycythemic adjective

New Collegiate Dictionary. 2001.

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  • Polycythemia — Classification and external resources Packed cell volume diagram. ICD 10 D …   Wikipedia

  • polycythemia — [päl΄i sī thē′mē ə] n. 〚 POLY + CYT(O) + HEMIA〛 an abnormal increase in the number and concentration of circulating red blood corpuscles * * * pol·y·cy·the·mi·a (pŏl ē sī thēʹmē ə) n. A condition marked by an abnormally large number …   Universalium

  • polycythemia — [päl΄i sī thē′mē ə] n. [ POLY + CYT(O) + HEMIA] an abnormal increase in the number and concentration of circulating red blood corpuscles …   English World dictionary

  • Polycythemia — The presence of too many red blood cells. Polycythemia formally exists when the hemoglobin, red blood cell (RBC) count and total RBC volume are both above normal. For example, the percentage of red blood cells in whole blood (hematocrit) in… …   Medical dictionary

  • polycythemia — Increase in the haemoglobin content of the blood, either because of a reduction in plasma volume or an increase in red cell numbers. The latter may be a result of abnormal proliferation of red cell precursors (polycythemia vera, Vaquez Osler… …   Dictionary of molecular biology

  • polycythemia — noun A rare disorder in which the bone marrow produces an abnormally large amount of blood cells, often red blood cells …   Wiktionary

  • polycythemia — n. abnormally high number of red blood cells in the bloodstream …   English contemporary dictionary

  • polycythemia — poly·cy·the·mia …   English syllables

  • polycythemia — A chronic condition of slow, insidious development, in which the red blood cells increase to exceed the maximum normal count of 5 million per cubic millimeter and the hemoglobin content of the blood increases to exceed the maximum normal of 85… …   Ballentine's law dictionary

  • polycythemia — noun a disorder characterized by an abnormal increase in the number of red blood cells in the blood • Hypernyms: ↑blood disease, ↑blood disorder …   Useful english dictionary

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