A condition characterized by an abnormal increase in the number of red blood cells in the blood.erythrocythemia hypercythemia hypererythrocythemia hyperglobulia

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for polycythemia

Historical Examples of polycythemia