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myeloma

American

[mahy-uh-loh-muh] / ˌmaɪ əˈloʊ mə /

noun

Pathology.

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

myeloma British

/ ˌmaɪɪˈləʊmə /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

myelomatoid

adjective

Inflected Forms

Nouns

Etymology

Origin of myeloma

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

myeloma

Smouldering myeloma has no symptoms and does not require treatment but can develop into myeloma, a type of blood cancer.

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

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

From Barron's ● Apr. 20, 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

Myeloma.—A myeloma is composed of large multinuclear giant cells surrounded by round and spindle cells.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023