osteoarthritis
noun
os·te·o·ar·thri·tis
ˌä-stē-ō-är-ˈthrī-təs
: a common form of arthritis typically with onset during middle or old age that is characterized by progressive degenerative changes in the cartilage of one or more joints (as of the knees, hips, and hands) accompanied by thickening and overgrowth of adjacent bone and that is marked symptomatically chiefly by stiffness, swelling, pain, deformation of joints, and loss of range of motion
—abbreviation OA
compare rheumatoid arthritis
Love words? Need even more definitions?
Merriam-Webster unabridged
Share