osteoarthritis

/ˌɑstioʊɑrˈθraɪtɪs/
noun
  1. A common form of arthritis that occurs when the protective cartilage at the ends of bones wears down over time, causing pain, swelling, and reduced movement in the joints.
    • Regular low-impact exercise can help manage the pain of osteoarthritis.
    • Osteoarthritis often affects the knees, hips, and hands as people get older.
    • Her doctor recommended losing weight to reduce the symptoms of osteoarthritis in her knees.