os·te·o·por·o·sis
noun/ˌɒstiəʊpəˈrəʊsɪs/
/ˌɑːstiəʊpəˈrəʊsɪs/
(also brittle bone disease)
[uncountable] (medical)- a condition in which the bones become weak and are easily broken, usually when people get older or because they do not eat enough of certain substances
骨质疏松;骨质疏松症 Oxford Collocations DictionaryOsteoporosis is used before these nouns:- prevention
Word Originmid 19th cent.: from osteo- ‘bone’ + Greek poros ‘passage, pore’ + -osis.