rheu‧ma‧toid ar‧thri‧tis /ˌruːmətɔɪd ɑːˈθraɪtəs $ -ɑːr-/
noun [uncountable] a disease that continues for many years and makes your joints painful and stiff, and often makes them lose their proper shape
[TahlilGaran] Dictionary of Contemporary English ▲