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Noun: osteoporosis  ,ós-ti-ow-pu'row-sis
  1. Abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women
    "She took calcium supplements to help prevent osteoporosis"

Type of: pathology

Encyclopedia: Osteoporosis, a Thaaang and a Slinky