hemosiderin

noun
he·​mo·​sid·​er·​in | \ ˌhē-mō-ˈsi-də-rən How to pronounce hemosiderin (audio) \

Definition of hemosiderin

: a yellowish-brown granular intracellular pigment that is formed in some phagocytic cells (such as macrophages) by the breakdown of hemoglobin and is probably essentially a denatured form of ferritin

First Known Use of hemosiderin

circa 1885, in the meaning defined above

History and Etymology for hemosiderin

International Scientific Vocabulary hem- + sider- + -in entry 1

Keep scrolling for more

Learn More about hemosiderin

Statistics for hemosiderin

Look-up Popularity

Time Traveler for hemosiderin

The first known use of hemosiderin was circa 1885

See more words from the same year

Keep scrolling for more

More Definitions for hemosiderin

hemosiderin

noun
he·​mo·​sid·​er·​in
variants: or chiefly British haemosiderin \ ˌhē-​mō-​ˈsid-​ə-​rən How to pronounce haemosiderin (audio) \

Medical Definition of hemosiderin

: a yellowish brown granular pigment formed by breakdown of hemoglobin, found in phagocytes and in tissues especially in disturbances of iron metabolism (as in hemochromatosis, hemosiderosis, or some anemias), and composed essentially of colloidal ferric oxide — compare ferritin

More from Merriam-Webster on hemosiderin

Britannica.com: Encyclopedia article about hemosiderin

Comments on hemosiderin

What made you want to look up hemosiderin? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

not to be persuaded, moved, or stopped

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!