he·​ma·​to·​poi·​e·​sis | \hi-ˌma-tə-pȯi-ˈē-səs, ˌhē-mə-tō-\

Definition of hematopoiesis 

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

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Other Words from hematopoiesis

hematopoietic \ hi-​ˌma-​tə-​pȯi-​ˈe-​tik , 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

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The first known use of hematopoiesis was circa 1854

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More Definitions for hematopoiesis


variants: or chiefly British haematopoiesis \ hi-​ˌmat-​ə-​pȯi-​ˈē-​səs , ˌhē-​mət-​ō-​ \
plural hematopoieses\ -​ˌsēz \

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

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a private place of worship

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