Definition of osteoarthritis noun from the Oxford Advanced American Dictionary

 

osteoarthritis

 noun
noun
NAmE//ˌɑstioʊɑrˈθraɪt̮əs//
 
[uncountable](medical)
 
jump to other results
a disease that causes painful swelling and permanent damage in the joints of the body, especially the hips, knees, and thumbs
See the Oxford Advanced Learner's Dictionary entry: osteoarthritis