he·​ma·​to·​poi·​e·​sis | \ hi-ˌma-tə-pȯi-ˈē-səs How to pronounce hematopoiesis (audio) , ˌhē-mə-tō-\

Definition of hematopoiesis

: the formation of blood or of blood cells in the living body

Keep scrolling for more

Other Words from hematopoiesis

hematopoietic \ hi-​ˌma-​tə-​pȯi-​ˈe-​tik How to pronounce hematopoietic (audio) , ˌhē-​mə-​tō-​ \ adjective

Examples of hematopoiesis in a Sentence

Recent Examples on the Web

The danger of leukemia is especially great in people with a preleukemic condition called clonal hematopoiesis. Bradley J. Fikes, sandiegouniontribune.com, "Two studies find vitamin C can prevent and treat leukemia," 21 Aug. 2017 Even among younger people, those with the mutations—called clonal hematopoiesis of indeterminate potential, or CHIP—showed a higher rate of heart disease. Alice Park, Time, "The Unexpected Way Genes Can Double Heart Disease Risk," 22 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hematopoiesis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of hematopoiesis

circa 1854, in the meaning defined above

History and Etymology for hematopoiesis

New Latin

Keep scrolling for more

Learn More about hematopoiesis

Statistics for hematopoiesis

Look-up Popularity

Time Traveler for hematopoiesis

The first known use of hematopoiesis was circa 1854

See more words from the same year

Keep scrolling for more

More Definitions for hematopoiesis


variants: or chiefly British haematopoiesis \ hi-​ˌmat-​ə-​pȯi-​ˈē-​səs How to pronounce haematopoiesis (audio) , ˌhē-​mət-​ō-​ How to pronounce haematopoiesis (audio) \
plural hematopoieses\ -​ˌsēz How to pronounce hematopoieses (audio) \

Medical Definition of hematopoiesis

: the formation of blood or of blood cells in the living body

called also hemopoiesis

More from Merriam-Webster on hematopoiesis

Britannica.com: Encyclopedia article about hematopoiesis

Comments on hematopoiesis

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



Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

Test your knowledge - and maybe learn something along the way.


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

Love words? Need even more definitions?

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