Definition of polycythemia in English:

polycythemia

Syllabification: pol·y·cy·the·mi·a
Pronunciation: /ˌpäliˌsīˈTHēmēə
 
/
(British polycythaemia)

noun

Medicine
An abnormally increased concentration of hemoglobin in the blood, through either reduction of plasma volume or increase in red cell numbers. It may be a primary disease of unknown cause, or a secondary condition linked to respiratory or circulatory disorder or cancer.
More example sentences
  • The differential diagnoses included chronic hepatitis, idiopathic urticaria, uremia, polycythemia, thyroid disease, and malignancy, among others.
  • This is more than twice the production rate in adults, primarily because of relative polycythemia and increased red blood cell turnover in neonates.
  • Because in chronic pulmonary disease both hypoxemia and polycythemia are simultaneously present, their individual effects on the pulmonary circulation have been difficult to define.

Origin

mid 19th century: from modern Latin polycythaemia, from poly- 'many' + -cyte 'cell' + Greek haima 'blood' + -ia1.

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