from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A bone disease in adults analogous to rickets in children, marked by bone demineralization caused by impaired metabolism or deficiency of vitamin D or phosphorus.

from The Century Dictionary.

  • noun In pathology, a disease, most frequent in women, but also occurring in men, in which there is progressive disappearance of the earthy salts from the bones, which in consequence become soft and misshapen. Also called malacosteon, and mollities ossium.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Med.) A disease of the bones, in which they lose their earthy material, and become soft, flexible, and distorted. Also called malacia.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun medicine A softening of adult bones due to inadequate mineralization; the adult equivalent of rickets

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D


from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin : osteo– + Greek malakiā, softness (from malakos, soft; see mel- in Indo-European roots).]

from Wiktionary, Creative Commons Attribution/Share-Alike License

osteo- +‎ malacia


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  • Softening of the bones, known as osteomalacia, curvature of the spine, rachitis and many other terrible conditions of disease would not be known to humanity if proper precaution were taken in time.

    Valere Aude Dare to Be Healthy, Or, The Light of Physical Regeneration Louis Dechmann

  • And the condition has been linked to cardiovascular disease, type 2 diabetes, several cancers, and autoimmune conditions as well as osteomalacia, which is the painful manifestation of soft bones in adults.

    Home | Mail Online 2010

  • And inadequate intake can result in a softening of bone surfaces, called osteomalacia, which causes pain.

    Daily News & Analysis 2009

  • In adults softening of the bones due to inadequate vitamin D is called osteomalacia, symptoms of which include skeletal pain, muscle weakness and fractures.

    Qwaider Planet 2008

  • Certain bone affections, such as osteomalacia or osteoporosis, are in the main, responsible for distortions and morphological changes of bone, causing lameness, permanent blemish and even resulting in death of the affected animal.

    Lameness of the Horse Veterinary Practitioners' Series, No. 1 John Victor Lacroix

  • A similar but less marked type of kyphosis may follow upon compression fracture of the spine -- in the condition known as traumatic spondylitis; and as a result of other lesions, such as osteomalacia, or malignant disease, in which the bodies undergo softening and yield, so that the spinous processes project posteriorly.

    Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Alexander Miles 1893

  • There's also another disease called "osteomalacia" where you have too little just of the calcium and that also makes bones weak.

    - The Naked Scientists Naked Science Radio Show PODCAST - Stripping Down Science 2010

  • "In adults it may cause a condition called osteomalacia, in which calcium is lost from bones so that they become weak. 2010

  • "In adults it may cause a condition called osteomalacia, in which calcium is lost from bones so that they become weak. 2010

  • Also, because of glutethimide's ability to induce hepatic enzymes, patients may develop vitamin D deficiencies (due to increased metabolism) with resultant hypocalcemia and osteomalacia. 6

    Loads 2010


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