• synonyms


[ mahy-uh-loh-muh ]
/ ˌmaɪ əˈloʊ mə /

noun, plural my·e·lo·mas, my·e·lo·ma·ta [mahy-uh-loh-muh-tuh] /ˌmaɪ əˈloʊ mə tə/. Pathology.

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

Nearby words

myeloid sarcoma, myeloid series, myeloid tissue, myeloidosis, myelolipoma, myeloma, myelomalacia, myelomatosis, myelomeningocele, myelomere, myeloneuritis

Origin of myeloma

First recorded in 1855–60; myel- + -oma Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for myeloma

  • In many respects the X-ray appearances resemble those of myeloma.

    Manual of Surgery|Alexis Thomson and Alexander Miles
  • The myeloma is also to be diagnosed from chondroma, from sarcoma, and from osteomyelitis fibrosa cystica.

    Manual of Surgery|Alexis Thomson and Alexander Miles
  • New growths include the fibroma, the myxoma, the myeloma or giant-celled tumour, and various forms of sarcoma.

    Manual of Surgery|Alexis Thomson and Alexander Miles
  • The majority would appear to be the result of changes in a sarcoma, endothelioma, or myeloma.

    Manual of Surgery|Alexis Thomson and Alexander Miles

British Dictionary definitions for myeloma


/ (ˌmaɪɪˈləʊmə) /

noun plural -mas or -mata (-mətə)

a usually malignant tumour of the bone marrow or composed of cells normally found in bone marrow
Derived Formsmyelomatoid, adjective
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

Word Origin and History for myeloma



1857, from comb. form of Greek myelos "marrow" + -oma.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for myeloma


[ mī′ə-lōmə ]

n. pl. my•e•lo•mas

A tumor composed of cells derived from hemopoietic tissues of the bone marrow.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.