• synonyms


[os-tee-oh-muh-ley-shuh, -shee-uh, -see-uh]
noun Pathology.
  1. a condition characterized by softening of the bones with resultant pain, weakness, and bone fragility, caused by inadequate deposition of calcium or vitamin D.
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Origin of osteomalacia

From New Latin, dating back to 1815–25; see origin at osteo-, malacia
Related formsos·te·o·ma·la·cial, os·te·o·ma·lac·ic [os-tee-oh-muh-las-ik] /ˌɒs ti oʊ məˈlæs ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for osteomalacia

Historical Examples

  • Degeneration of the bone tissue: Rickets, Osteomalacia and similar diseases.

    Valere Aude

    Louis Dechmann

  • Osteogenesis imperfecta and osteomalacia are disorders of dietetic or metabolic origin characterized by fragility of the bones.

    Scurvy Past and Present

    Alfred Fabian Hess

  • Osteomalacia is an acquired disease which causes marked softening and changes in the bones.

  • Mr. V. Canyre spoke about softening the bones of ideas (osteomalacia), against which such a propaganda must work in the school.

  • In osteomalacia and in the absorption of bone the mucous degeneration of the bone-cartilage plays an important part.

British Dictionary definitions for osteomalacia


  1. a disease in adults characterized by softening of the bones, resulting from a deficiency of vitamin D and of calcium and phosphorus
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Derived Formsosteomalacial or osteomalacic (ˌɒstɪəʊməˈlæsɪk), adjective

Word Origin

C19: from New Latin, from osteo- + Greek malakia softness
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

osteomalacia in Medicine


  1. A bone disease characterized by bone demineralization due to deficiency or impaired metabolism of vitamin D or phosphates. adult rickets late rickets
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.