myeloma

American  

[mahy-uh-loh-muh] / ˌmaɪ əˈloʊ mə /

noun

Pathology.

myelomas, plural myelomata plural

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

Derived Forms

• myelomatoid
  adjective

Inflected Forms

Nouns

• myelomas
  plural
• myelomata
  plural

Etymology

Origin of myeloma

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

Example Sentences

See Examples For:

myeloma

Smouldering myeloma usually develops into active myeloma at some time, but how long that takes varies, according to the charity.

From BBC ● Jul. 17, 2026

The latest test involves Legend Biotech, J&J’s partner in multiple myeloma, a type of blood cancer.

From The Wall Street Journal ● May 28, 2026

While sales of Stelara, J&J’s former blockbuster, continued to decline, multiple myeloma treatment Darzalex and anti-inflammatory medicine Tremfya drove strength in the company’s Innovative Medicines portfolio.

From Barron's ● Apr. 14, 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

New growths include the fibroma, the myxoma, the myeloma or giant-celled tumour, and various forms of sarcoma.

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