OSTEOARTHRITIS Meaning of OSTEOARTHRITIS in English osteoarthritis BrE AmE ˌɒst i‿əʊ ɑː ˈθraɪt ɪs § -əs AmE ˌɑːst i‿oʊ ɑːr ˈθraɪt̬ əs Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012