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[os-tee-oh-ahr-thrahy-tis] /ˌɒs ti oʊ ɑrˈθraɪ tɪs/
noun, Pathology
the most common form of arthritis, usually occurring after middle age, marked by chronic breakdown of cartilage in the joints leading to pain, stiffness, and swelling.
Also called degenerative joint disease.
Origin of osteoarthritis
1875-80; osteo- + arthritis Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for osteoarthritis
  • Usually, it is only when their knees become painful that people go to see a doctor and osteoarthritis is diagnosed.
  • Knee replacements can give osteoarthritis patients a new lease on life.
  • Knee replacement surgery repairs damage and relieves pain in patients with severe osteoarthritis or knee injury.
  • Mao says he next wants to test the procedure in goats, which are a better model for human osteoarthritis than rabbits.
  • Commonly used long-term for osteoarthritis, chronic back pain and headaches.
  • Lifestyle changes are the preferred treatment for osteoarthritis and other types of joint inflammation.
  • Arthritic conditions, particularly osteoarthritis and gout, can cause foot pain.
  • osteoarthritis involves growth of bone spurs and degeneration of cartilage at a joint.
  • The increased body weight itself causes problems that result in injury and diseases, including osteoarthritis and sleep apnea.
  • osteoarthritis in her hips ended that plan two years ago.
British Dictionary definitions for osteoarthritis


chronic inflammation of the joints, esp those that bear weight, with pain and stiffness Also called degenerative joint disease
Derived Forms
osteoarthritic (ˌɒstɪəʊɑːˈθrɪtɪk) adjective, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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osteoarthritis in Medicine

osteoarthritis os·te·o·ar·thri·tis (ŏs'tē-ō-är-thrī'tĭs)
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.

os'te·o·ar·thrit'ic (-thrĭt'ĭk) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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osteoarthritis in Science
A form of arthritis, occurring mainly in older people, that is characterized by chronic degeneration of the cartilage of the joints.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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