siderosis

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Chronic inflammation of the lungs caused by excessive inhalation of dust containing iron salts or particles.

from The Century Dictionary.

• noun A deposition of iron pigment in any of the tissues of the body.
• noun Pneumonoconiosis in which the particles are metallic, especially iron.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Med.) A sort of pneumonia occuring in iron workers, produced by the inhalation of particles of iron.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun medicine A form of pneumoconiosis caused by the inhalation of iron dust
• noun medicine The accumulation of hemosiderin in various organs of the body by people with a diet rich in iron

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun fibrosis of the lung caused by iron dust; occurs among welders and other metal workers