- 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
Increase of red corpuscles, or polycythemia, is unimportant.A Manual of Clinical Diagnosis
James Campbell Todd