myeloma

American  

[mahy-uh-loh-muh] / ˌmaɪ əˈloʊ mə /

noun

Pathology.

plural

myelomas, myelomata

1. a tumor of plasma cells, arising in bone marrow, and often occurring at multiple sites, as in the vertebrae and flat skull bones.

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myeloma British  

/ ˌmaɪɪˈləʊmə /

noun

1. a usually malignant tumour of the bone marrow or composed of cells normally found in bone marrow

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Other Word Forms

• myelomatoid adjective

Etymology

Origin of myeloma

First recorded in 1855–60; myel- + -oma

Example Sentences

Privately-owned Kelonia is developing novel treatments for multiple myeloma, a blood cancer.

From Barron's • Apr. 20, 2026

Privately held Kelonia is developing a next-generation treatment for the blood cancer multiple myeloma.

From The Wall Street Journal • Apr. 19, 2026

Darzalex, which is J&J’s multiple myeloma drug and top-selling product, brought in about $4.0 billion in revenue, up from $3.2 billion in the same three months last year.

From MarketWatch • Apr. 14, 2026

In laboratory experiments, zeaxanthin enhanced these cells' ability to destroy melanoma, multiple myeloma, and glioblastoma cells.

From Science Daily • Apr. 10, 2026

The inflammatory lesions at the ends of the long bones—tubercle, syphilitic gumma, and Brodie's abscess, that resemble myeloma, are all attended with the formation of new bone in greater or lesser amount.

From Manual of Surgery Volume First: General Surgery. Sixth Edition. by Thomson, Alexis