iron-storage disease

n.
  1. Any of various diseases characterized by the storage of excess iron in the parenchyma of many organs, as in idiopathic hemochromatosis or transfusion hemosiderosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.