a slowly progressive form of arthritis, found chiefly in older people, characterized by cartilage deterioration and bone enlargement
Origin of osteoarthritisosteo- + arthritis
A chronic disease characterized by progressive degeneration of the cartilage of the joints, occurring mainly in older persons. Also called degenerative joint disease .
top: normal joint
bottom: osteoarthritic joint
osteo- +"Ž arthritis