- the presence of decreased numbers of erythrocytes in the blood, as occurs in some forms of anaemiaAlso called: erythrocytopenia
from erythro- + Greek penia poverty
- A deficiency in the number of red blood cells.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.