osteoporosis osteoporosis /ˌɔstiːˌɑːpɝˈoʊsɪs/

noun

1. () Abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women  ( osteoporosis )
   abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women
    Due to osteoporosis, her bones became fragile and she had to be extra cautious.
   Due to osteoporosis, her bones became fragile and she had to be extra cautious.