osteoarthritis(form of arthritis caused by chronic degeneration of the cartilage and synovial membrane of the joints) noun [UK: ˌɒ.stiəʊɑː.ˈθraɪ.tɪs] [US: ˌɒ.stio.ʊɑː.ˈθraɪ.tɪs]
artrosisnoun {f}There is no cure for osteoarthritis. = La artrosis no tiene cura.