The definition of osteoporosis is a medical condition in which bones loose density and become very fragile, usually caused by a calcium or hormone deficiency.(noun)
An example of osteoporosis is a medical condition that affects women after menopause and can cause curvature of the spine.
See osteoporosis in Webster's New World College Dictionary
Origin: ModL < osteo- + porosis, a porous condition < L porus, a pore + -osis
See osteoporosis in American Heritage Dictionary 4
noun pl. os·te·o·po·ro·ses (-sēz)
Origin: New Latin
Origin: : osteo-
Origin: + Greek poros, passage, pore; see pore2
Origin: + -osis.
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