he·​mo·​sid·​er·​o·​sis | \ ˌhē-mō-​ˌsi-d​ə-​ˈrō-​səs How to pronounce hemosiderosis (audio) \

Definition of hemosiderosis

: the excessive deposition of hemosiderin in bodily tissues (as of the liver, spleen, or lungs) that typically results from bleeding, the breakdown of red blood cells, or repeated transfusions and is usually not accompanied by tissue damage With pulmonary hemosiderosis, iron escapes and deposits occur in lung cells from a bleeding there.— Paul G. Donohue She also developed pancytopenia and required repeated transfusions that resulted in hemosiderosis.— Ellen Sidransky, et al.

First Known Use of hemosiderosis

1896, in the meaning defined above

History and Etymology for hemosiderosis

hemosider(in) + -osis

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Time Traveler for hemosiderosis

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The first known use of hemosiderosis was in 1896

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Cite this Entry

“Hemosiderosis.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/hemosiderosis. Accessed 5 December 2019.

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More Definitions for hemosiderosis


variants: or chiefly British haemosiderosis \ -​ˌsid-​ə-​ˈrō-​səs How to pronounce haemosiderosis (audio) \
plural hemosideroses\ -​ˌsēz How to pronounce hemosideroses (audio) \

Medical Definition of hemosiderosis

: excessive deposition of hemosiderin in bodily tissues as a result of the breakdown of red blood cells — compare hemochromatosis

Other Words from hemosiderosis

hemosiderotic or chiefly British haemosiderotic \ -​ˈrät-​ik How to pronounce haemosiderotic (audio) \ adjective

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