myelofibrosis

noun

my·​e·​lo·​fi·​bro·​sis ˌmī-ə-lō-fī-ˈbrō-səs How to pronounce myelofibrosis (audio)
: an anemic condition in which bone marrow becomes fibrotic and the liver and spleen usually exhibit a development of blood-cell precursors
myelofibrotic adjective

Examples of myelofibrosis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Lynda shared Jessica with her late husband, Robert Altman, who died in February 2021 from myelofibrosis, a rare blood cancer. Michelle Lee, People.com, 20 May 2025 The new step, announced on Wednesday, creates a presumptive service connection for Gulf War and post-9/11 veterans diagnosed with acute and chronic leukemias, multiple myelomas, myelodysplastic syndromes, myelofibrosis, urinary bladder, ureter, and related genitourinary cancers. Paul Du Quenoy, Newsweek, 9 Jan. 2025 During unrelated medical testing in 2020, doctors detected signs of myelofibrosis, a chronic leukemia characterized by a buildup of scar tissue in the bone marrow. Steve Smith, New York Times, 29 May 2024 And in 2022, he was diagnosed with myelofibrosis, a rare form of bone marrow cancer and chronic pulmonary obstructive disease. Kareem Khadder, CNN, 9 Apr. 2024 See All Example Sentences for myelofibrosis

Word History

Etymology

myelo- + fibrosis

First Known Use

1937, in the meaning defined above

Time Traveler
The first known use of myelofibrosis was in 1937

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Cite this Entry

“Myelofibrosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/myelofibrosis. Accessed 9 Sep. 2025.

Medical Definition

myelofibrosis

noun
my·​e·​lo·​fi·​bro·​sis ˌmī-ə-lō-fī-ˈbrō-səs How to pronounce myelofibrosis (audio)
plural myelofibroses -ˌsēz How to pronounce myelofibrosis (audio)
: an anemic condition in which bone marrow becomes fibrotic and the liver and spleen usually exhibit a development of blood-cell precursors
myelofibrotic adjective
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