chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age
Definition #2 for "degenerative joint disease"
Degenerative joint disease: Also known as osteoarthritis, this type of arthritis is caused by inflammation, breakdown and eventual loss of the cartilage of the joints. Among the over 100 different types of arthritis conditions, osteoarthritis is the most common, affecting usually the hands, feet, spine, and large weight-bearing joints, such as the hips and knees. Also called degenerative arthritis.