osteoarthritis

noun
os·​te·​o·​ar·​thri·​tis | \ ˌä-stē-ō-är-ˈthrī-təs \

Definition of osteoarthritis

: 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

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Other Words from osteoarthritis

osteoarthritic \ ˌä-​stē-​ō-​är-​ˈthri-​tik \ adjective

Examples of osteoarthritis in a Sentence

Recent Examples on the Web

The most common cause of spinal stenosis is run-of-the-mill osteoarthritis, the Mayo Clinic says, but there are a variety of risk factors. Korin Miller, SELF, "New York Mets Player David Wright Announced He's Retiring Due to Spinal Stenosis," 4 Oct. 2018 Ginger can also relieve pain in osteoarthritis patients. Alexandra Gekas, Woman's Day, "5 Pain-Fighting Foods," 31 Mar. 2011 There are also surgical treatments for osteoarthritis if necessary, like injecting your joint with cortisone to help with pain. Korin Miller, SELF, "Here’s What It Means If Your Knee Just Won’t Stop Popping," 23 Sep. 2018 One of them, Unity Biotech, is set to launch an early clinical trial of a drug candidate for osteoarthritis, one of aging’s earliest, most ubiquitous and most disabling diseases. Melissa Healy, latimes.com, "This drug cocktail reduced signs of age-related diseases and extended life in mice and human cells," 10 July 2018 Privacy - Terms Some 20 percent of dogs and an unknown percentage of cats develop osteoarthritis. Kim Campbell Thornton, sacbee, "A painful truth: One-fifth of dogs, many cats develop osteoarthritis," 30 May 2018 Hereditary factors are at play, as is weight gain; two-thirds of obese adults will develop knee osteoarthritis. Laura Landro, WSJ, "Many in Middle Age Have Arthritis—They Just Don’t Know It," 22 Apr. 2018 According to a 2015 meta-analysis in BMJ Open, having a BMI in the overweight or obese range can significantly increase your risk for knee osteoarthritis. Sarah Jacoby, SELF, "The Science on Weight and Health," 26 June 2018 The myth that running causes osteoarthritis and ruins your knees has long been debunked. Alex Hutchinson, Outside Online, "Running with Bad Knees Might Be OK After All," 25 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'osteoarthritis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of osteoarthritis

1878, in the meaning defined above

History and Etymology for osteoarthritis

New Latin

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Last Updated

14 Jan 2019

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Time Traveler for osteoarthritis

The first known use of osteoarthritis was in 1878

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More Definitions for osteoarthritis

osteoarthritis

noun

English Language Learners Definition of osteoarthritis

medical : a disease that causes the joints to become very painful and stiff

osteoarthritis

noun
os·​teo·​ar·​thri·​tis | \ ˌäs-tē-ō-är-ˈthrīt-əs \
plural osteoarthritides\ -​ˈthrit-​ə-​ˌdēz \

Medical Definition of osteoarthritis

: 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

called also degenerative arthritis, degenerative joint disease, hypertrophic arthritis

— compare rheumatoid arthritis

Other Words from osteoarthritis

osteoarthritic \ -​ˈthrit-​ik \ adjective
Treatment for hand and finger osteoarthritis has the same goals as treatment for any osteoarthritic joint: pain reduction, mobility maintenance and minimization of disability. — Paul G. Donohue, The Springfield (Massachusetts) Union-News, 11 Mar. 1998

More from Merriam-Webster on osteoarthritis

Britannica.com: Encyclopedia article about osteoarthritis

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