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BNC: 26032 COCA: 10189

osteoporosis

noun
/ˌɒstiəʊpəˈrəʊsɪs/
/ˌɑːstiəʊpəˈrəʊsɪs/
(also brittle bone disease)
[uncountable] (medical医学)
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  1. 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
    See full entry
    Word Originmid 19th cent.: from osteo- ‘bone’ + Greek poros ‘passage, pore’ + -osis.

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