osteoporosis
/ˌɒstɪəʊpəˈrəʊsɪs/noun
mass noun
- a medical condition in which the bones become brittle and fragile from loss of tissue, typically as a result of hormonal changes, or deficiency of calcium or vitamin D(尤指荷尔蒙变化或缺钙或维生素D引起的)骨质疏松。
派生词
osteoporotic
adjective词源
mid 19th cent.: from osteo- 'bone' + Greek poros 'passage, pore' + -OSIS.