osteoarthritis

osteoarthritis definition - medical

os·te·o·ar·thri·tis (ŏsˌtē-ō-är-thrīˈtĭs)

noun Abbr. OA
A form of arthritis, occurring mainly in older persons, that is characterized by chronic degeneration of the cartilage of the joints. Also called degenerative joint disease, hypertrophic arthritis, osteoarthrosis.

Related Forms:

  • osˌte·o·ar·thritˈic (-thrĭtˈĭk) adjective

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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